ar·te·ria (ahr-tr´e-) [ L. arteria; from Gr. artria, possibly from ar air +trein to keep, because the arteries were thought to contain air, or from aeirein to lift or attach ]
artery.

 
Arteria

arteria alveola´ris infe´rior,
inferior alveolar artery: origin,maxillary artery; branches, dental, peridental, mental, and mylohyoid rami; distribution, lower jaw, lower lip, and chin. Called also inferior dental artery and mandibular artery.
arte´riae alveola´res superio´res anterio´res, anterior superior alveolar arteries: origin,infraorbital artery; branches, dental and peridental rami; distribution, incisor and canine regions of upper jaw, maxillary sinus. Called also anterior dental arteries.
arteria alveola´ris supe´rior poste´rior, posterior superior alveolar artery: origin,maxillary artery; branches, dental and peridental rami; distribution, molar and premolar regions of upper jaw, maxillary sinus. Called also posterior dental artery.
arteria angula´ris, angular artery: origin,facial artery; branches, none; distribution, lacrimal sac, lower eyelid, nose.
arteria appendicula´ris, appendicular artery: origin,ileocolic artery; branches, none; distribution, vermiform appendix. Called also vermiform artery.
arteria arcua´ta pe´dis, arcuate artery of foot: origin,dorsalis pedis artery; branches, deep plantar branch and dorsal metatarsal arteries; distribution, foot, toes.
arte´riae arcua´tae re´nis, arcuate arteries of kidney: origin,interlobar artery; branches, interlobular artery and arteriolae rectae; distribution, parenchyma of kidney.
arteria ascen´dens, ascending artery: an inconstant branch of the inferior mesenteric artery that anastomoses with the middle colic artery.
arteria auricula´ris poste´rior, posterior auricular artery: origin,external carotid artery; branches, auricular and occipital branches, stylomastoid artery; distribution, middle ear, mastoid cells, auricle, parotid gland, digastric and other muscles.
arteria auricula´ris profun´da, deep auricular artery: origin,maxillary artery; branches, none; distribution, skin of auditory canal, tympanic membrane, temporomandibular joint.
arteria axilla´ris, axillary artery: origin, continuation of subclavian artery; branches, subscapular rami, and superior thoracic, thoracoacromial, lateral thoracic, subscapular, and anterior and posterior circumflex humeral arteries; distribution, upper limb, axilla, chest, shoulder.
arte´riae azy´goi vagi´nae, rami vaginales arteriae uterinae.
arteria basila´ris, basilar artery: origin, from junction of right and left vertebral arteries; branches,pontine, anterior inferior cerebellar, mesencephalic, superior cerebellar, and posterior cerebral arteries; distribution, brainstem, internal ear, cerebellum, posterior cerebrum.
arteria brachia´lis, brachial artery: origin, continuation of axillary artery; branches, profunda brachii, nutrient of humerus, superior ulnar collateral, inferior ulnar collateral, radial, and ulnar arteries; distribution, shoulder, arm, forearm, hand.
arteria brachia´lis superficia´lis, superficial brachial artery: an occasional vessel that arises from high bifurcation of the brachial artery and assumes a more superficial course than usual.
arteria bucca´lis, buccal artery: origin,maxillary artery; branches, none; distribution, buccinator muscle, mucous membrane of mouth. Called also buccinator artery.
arteria bul´bi pe´nis, artery of bulb of penis: origin,internal pudendal artery; branches, none; distribution, bulbourethral gland, bulb of penis. Called also bulbourethral artery.
arteria bul´bi vesti´buli, artery of bulb of vestibule: origin,internal pudendal artery; branches, none; distribution, bulb of vestibule of vagina, greater vestibular glands.
arteria caeca´lis ante´rior, anterior cecal artery: origin, ileocolic; branches, none; distribution, cecum. Spelled also a. cecalis anterior.
arteria caeca´lis poste´rior, posterior cecal artery: origin, ileocolic; branches, none; distribution, cecum. Spelled also a. cecalis posterior.
arteria callo´sa media´na, median callosal artery: origin,anterior communicating artery; distribution, runs above the lamina terminalis to supply anterior hypothalamic and subcallosal areas and corpus callosum.
arteria callosomargina´lis, callosomarginal artery: origin,postcommunical part of anterior cerebral artery; branches,anteromedial frontal, intermediomedial frontal, posteromedial frontal, cingular, and paracentral branches; distribution, medial and superolateral surfaces of cerebral hemisphere.
arteria cana´lis pterygoi´dei, origin,maxillary artery; branches, pterygoid; distribution, roof of pharynx, auditory tube. Called also vidian artery.origin,internal carotid artery; branches, none; distribution, pterygoid canal, anastomosing with the artery of the pterygoid canal that branches from the maxillary artery.
arte´riae caroticotympa´nicae, caroticotympanic arteries: branches of the petrous part of the internal carotid artery that supply the tympanic cavity.
arteria caro´tis commu´nis, common carotid artery: origin, brachiocephalic trunk (right), aortic arch (left); branches, external and internal carotid arteries; distribution, see a. carotis externa and a. carotis interna. See also illustration.


Enhanced CT scan of carotid vessels.

arteria caro´tis exter´na, external carotid artery: origin, common carotid; branches, superior thyroid, ascending pharyngeal, lingual, facial, sternocleidomastoid, occipital, posterior auricular, superficial temporal, maxillary; distribution, neck, face, skull.
arteria caro´tis inter´na, internal carotid artery: divided into four parts: cervical(pars cervicalis),petrous(pars petrosa),cavernous(pars cavernosa), and cerebral(pars cerebralis); origin,common carotid; branches, numerous, including (petrous part) caroticotympanic arteries; (cavernous part) tentorial basal, tentorial marginal, meningeal, and cavernous branches, and inferior hypophysial artery; (cerebral part) ophthalmic, superior hypophysial, posterior communicating, anterior choroidal, anterior cerebral, and middle cerebral arteries; distribution, middle ear, brain, pituitary gland, orbit, choroid plexus. See illustration.
arteria cau´dae pancre´atis, artery to tail of pancreas: origin, splenic artery; branches and distribution, supplies branches to tail of pancreas, and accessory spleen (if present).
arteria ceca´lis ante´rior, a. caecalis anterior.
arteria ceca´lis poste´rior, a. caecalis posterior.
arte´riae centra´les anterolatera´les, anterolateral central arteries: origin, sphenoid part of middle cerebral artery; branches; two sets of branches, proximal lateral and distal lateral; distribution, anterior lenticular and caudate nuclei and internal capsule of brain. Called also anterolateral thalamostriate arteries, lenticulostriate arteries, and lateral striate arteries.
arte´riae centra´les anteromedia´les, anteromedial central arteries: origin,anterior communicating artery and precommunical part of anterior cerebral artery; branches, none; distribution, anterior and medial corpus striatum. Called also anteromedial thalamostriate arteries.
arte´riae centra´les posterolatera´les, posterolateral central arteries: origin,postcommunical part of posterior cerebral artery; branches, none; distribution, cerebral peduncle, posterior thalamus, colliculi, medial geniculate and pineal bodies. The group includes the thalamogeniculate artery and the peduncular and posterior medial and lateral choroidal branches.
arte´riae centra´les posteromedia´les arte´riae ce´rebri posterio´ris, posteromedial central arteries of posterior cerebral artery: origin,precommunical part of posterior cerebral artery; branches, none; distribution, anterior thalamus, lateral wall of third ventricle, and globus pallidus of lentiform nucleus. Called also paramedian arteries.
arte´riae centra´les posteromedia´les arte´riae communican´tis posterio´ris, posteromedial central arteries of posterior communicating artery: origin, posterior communicating artery; branches, anterior and posterior branches; distribution, medial thalamic surface and walls of third ventricle.
arteria centra´lis re´tinae, central artery of retina: origin,ophthalmic artery; branches, superior and inferior nasal, and superior and inferior temporal; distribution, courses within dural sheath and then pierces and runs within optic nerve (extraocular part) to retina (intraocular part). Called also artery of Zinn.
arteria ce´rebri ante´rior, anterior cerebral artery: divided into two parts: the first or precommunical part (pars precommunicalis), and the second or postcommunical part (pars postcommunicalis); origin, internal carotid artery; branches, (precommunical part) anteromedial central arteries; (postcommunical part) distal medial striate, medial frontobasal, polar frontal, callosomarginal (and its branches), and pericallosal (and its branches) arteries; distribution, orbital, frontal, and parietal cortex, corpus callosum, diencephalon, corpus striatum, internal capsule, and choroid plexus of lateral ventricle.
arteria ce´rebri me´dia, middle cerebral artery: divided into four parts: the first or sphenoidal part (pars sphenoidalis), the second or insular part (pars insularis), the third part or inferior terminal branches (rami terminales inferiores), and the fourth part or superior terminal branches (rami terminales superiores); origin, internal carotid; branches, (sphenoidal part) anterolateral central, polar temporal, and anterior temporal arteries; (insular part) insular arteries; (inferior terminal branches) anterior temporal, middle temporal, posterior temporal, and temporooccipital branches, and branch to angular gyrus; (superior terminal branches) lateral frontobasal, prefrontal, anterior parietal, and posterior parietal arteries, and arteries of precentral, central, and postcentral sulci; distribution, orbital, frontal, parietal, and temporal cortex, corpus striatum, internal capsule. Called also sylvian artery.
arteria ce´rebri poste´rior, posterior cerebral artery: divided into four segments: the first or precommunical part (pars precommunicalis), the second or postcommunical part (pars postcommunicalis), the third segment or lateral occipital artery, and the fourth segment or medial occipital artery; origin, terminal bifurcation of basilar artery; branches, (precommunical part) posteromedial central, short circumferential, thalamoperforating, and collicular arteries; (postcommunical part) posterolateral central and thalamogeniculate arteries, and medial and lateral posterior choroidal, and peduncular branches; (lateral occipital artery) anterior, intermediate, and posterior temporal branches; (medial occipital artery) parietal, parietooccipital, calcarine, and occipitotemporal branches, and dorsal branch to corpus callosum; distribution, occipital and temporal cortex, diencephalon, midbrain, choroid plexus of lateral and third ventricles, and visual area of cerebral cortex and other structures associated with the visual pathway.
arteria cervica´lis ascen´dens, ascending cervical artery: origin,inferior thyroid artery or directly from thyrocervical trunk; branches,spinal branches; distribution, muscles of neck, vertebrae, vertebral canal.
arteria cervica´lis profun´da, deep cervical artery: origin, costocervical trunk; branches, none; distribution, deep neck muscles.
arteria choroi´dea ante´rior, anterior choroidal artery: origin,internal carotid or sometimes middle cerebral artery; branches, many small branches; distribution, interior of brain, including choroid plexus of lateral ventricle and adjacent parts.
arte´riae cilia´res anterio´res, anterior ciliary arteries: origin,muscular arteries; branches,episcleral and anterior conjunctival arteries; distribution, iris, conjunctiva.
arte´riae cilia´res posterio´res bre´ves, short posterior ciliary arteries: origin, ophthalmic artery; branches, none; distribution, choroid coat of eye. Called also short ciliary arteries.
arte´riae cilia´res posterio´res lon´gae, long posterior ciliary arteries: origin, ophthalmic artery; branches, none; distribution, iris, ciliary processes. Called also long ciliary arteries.
arte´riae circumferentia´les bre´ves, short circumferential arteries: origin,precommunical part of posterior cerebral artery; branches, none; distribution, part of the ventrolateral surface of the pons.
arteria circumflex´a fe´moris latera´lis, lateral circumflex femoral artery: origin, deep femoral artery; branches, ascending, descending, and transverse branches; distribution, hip joint, thigh muscles.
arteria circumflex´a fe´moris media´lis, medial circumflex femoral artery: origin, deep femoral artery; branches, deep, superficial, ascending, transverse, and acetabular branches; distribution, hip joint, thigh muscles.
arteria circumflex´a hu´meri ante´rior, anterior circumflex humeral artery: origin, axillary artery; branches, none; distribution, shoulder joint and head of humerus, long tendon of biceps, tendon of pectoralis major muscle.
arteria circumflex´a hu´meri poste´rior, posterior circumflex humeral artery: origin, axillary artery; branches; none; distribution, deltoideus, shoulder joint, teres minor and triceps muscles.
arteria circumflex´a i´lium profun´da, deep circumflex iliac artery: origin, external iliac artery; branches, ascending branches; distribution, iliac region, abdominal wall, groin.
arteria circumflex´a i´lium superficia´lis, superficial circumflex iliac artery: origin, femoral artery; branches, none; distribution, groin, abdominal wall.
arteria circumflex´a sca´pulae, circumflex artery of scapula: origin, subscapular artery; branches, none; distribution, inferolateral muscles of the scapula.
arteria cochlea´ris commu´nis, common cochlear artery: origin,labyrinthine artery; branches,vestibulocochlear, proper cochlear, and spiral modiolar arteries; distribution, cochlea and vestibule.
arteria cochlea´ris pro´pria, proper cochlear artery: origin,common cochlear artery; branches, none; distribution, cochlea. Called also cochlear artery.
arteria co´lica dex´tra, right colic artery: origin, superior mesenteric artery; branches, none; distribution, ascending colon. See illustration at a. mesenterica superior.
arteria co´lica me´dia, middle colic artery: origin, superior mesenteric artery; branches, none; distribution, transverse colon. Called also accessory superior colic artery.
arteria co´lica sinis´tra, left colic artery: origin, inferior mesenteric; branches, none; distribution, descending colon.
arteria collatera´lis me´dia, middle collateral artery: origin, profunda brachii artery; branches, none; distribution, triceps muscle, elbow joint.
arteria collatera´lis radia´lis, radial collateral artery: origin, profunda brachii artery; branches, none; distribution, brachioradialis and brachialis muscles.
arteria collatera´lis ulna´ris infe´rior, inferior ulnar collateral artery: origin, brachial artery; branches, none; distribution, arm muscles at back of elbow.
arteria collatera´lis ulna´ris supe´rior, superior ulnar collateral artery: origin, brachial artery; branches, none; distribution, elbow joint, triceps muscle.
arteria collicula´ris, collicular artery: origin,precommunical part of posterior cerebral artery; branches, none; distribution, corpora quadrigemina (superior and inferior colliculi) of the tectum of the mesencephalon. Called also a. quadrigeminalis[TA alternative] and quadrigeminal artery.
arteria co´mitans ner´vi ischia´dici, accompanying artery of ischiadic nerve: origin, inferior gluteal artery; branches, none; distribution, accompanies sciatic nerve. Called also artery to sciatic nerve and sciatic artery.
arteria co´mitans ner´vi media´ni, accompanying artery of median nerve: origin, anterior interosseous artery; branches, none; distribution, median nerve, muscles of front of forearm. Called also median artery.
arteria commissura´lis media´na, median commissural artery: origin,anterior communicating artery; branches, none; distribution, supraoptic commissures and optic chiasm.
arteria commu´nicans ante´rior, anterior communicating artery: origin,precommunical part of anterior cerebral artery; branches,anteromedial central arteries; distribution, establishes connection between the right and left anterior cerebral arteries.
arteria commu´nicans poste´rior, posterior communicating artery: establishes connection between internal carotid and posterior cerebral arteries; branches,posteromedial central, thalamotuberal, and mammillary arteries, artery of tuber cinereum, and branches to the optic chiasm, oculomotor nerve, and hypothalamus.
arte´riae conjunctiva´les anterio´res, anterior conjunctival arteries: origin, anterior ciliary arteries; branches, none; distribution, conjunctiva.
arte´riae conjunctiva´les posterio´res, posterior conjunctival arteries: origin,medial palpebral arteries; branches, none; distribution, caruncula lacrimalis, conjunctiva.
arteria corona´ria dex´tra, right coronary artery: origin, right aortic sinus; branches, conus artery and atrial, atrioventricular node, intermediate atrial, posterior interventricular, right marginal, and sinoatrial node branches; distribution, right ventricle, right atrium..


Arteria coronaria dextra (right coronary artery) and arteria coronaria sinistra (left coronary artery) and some of their branches in an anterior view of the heart.

arteria corona´ria sinis´tra, left coronary artery: origin, left aortic sinus; branches, anterior interventricular and circumflex branches; distribution, left ventricle, left atrium.
arte´riae cortica´les radia´tae, cortical radiate arteries: arteries originating from the arcuate arteries of the kidney and distributed to the renal glomeruli. Called also interlobular arteries of kidney and arteriae interlobulares renis[TA alternative].
arteria cremaste´rica, cremasteric artery: origin, inferior epigastric artery; branches, none; distribution, cremaster muscle, coverings of spermatic cord. Called also external spermatic artery.
arteria cys´tica, cystic artery: origin, right branch of hepatic artery proper; branches, none; distribution, gallbladder.
arteria descen´dens ge´nus, descending genicular artery: origin, femoral artery; branches, saphenous, articular; distribution, knee joint, upper and medial leg.
arte´riae digita´les dorsa´les ma´nus, dorsal digital arteries of hand: origin, dorsal metacarpal arteries; branches, none; distribution, dorsum of fingers.
arte´riae digita´les dorsa´les pe´dis, dorsal digital arteries of foot: origin, dorsal metatarsal arteries; branches, none; distribution, dorsum of toes.
arte´riae digita´les palma´res commu´nes, common palmar digital arteries: origin, superficial palmar arch; branches, proper palmar digital arteries; distribution, fingers. Called also common volar digital arteries and ulnar metacarpal arteries.
arte´riae digita´les palma´res pro´priae, proper palmar digital arteries: origin, common palmar digital arteries; branches, none; distribution, fingers. Called also collateral digital arteries and proper volar digital arteries.
arte´riae digita´les planta´res commu´nes, common plantar digital arteries: origin, plantar metatarsal arteries; branches, proper plantar digital arteries; distribution, toes.
arte´riae digita´les planta´res pro´priae, proper plantar digital arteries: origin, common plantar digital arteries; branches, none; distribution, toes.
arteria dorsa´lis clito´ridis, dorsal artery of clitoris: origin, internal pudendal artery; branches, none; distribution, clitoris.
arteria dorsa´lis na´si, dorsal nasal artery: origin,ophthalmic artery; branches, branch to nasolacrimal sac and branch anastomosing with terminal part of facial artery; distribution, skin of nose. Called also external nasal artery.
arteria dorsa´lis pe´dis, dorsal artery of foot: origin, continuation of anterior tibial artery; branches, lateral and medial tarsal, arcuate, and deep plantar arteries; distribution, foot, toes.
arteria dorsa´lis pe´nis, dorsal artery of penis: origin, internal pudendal artery; branches, none; distribution, glans, corona, and prepuce of penis.
arteria dorsa´lis sca´pulae, origin, second or third part of subclavian artery; branches, none; distribution, rhomboid, latissimus dorsi, and trapezius muscles.TA alternative for the same artery when it occurs as the deep branch of the transverse cervical artery (ramus profundus arteriae transversae colli).
arteria duc´tus deferen´tis, artery of ductus deferens: origin, umbilical artery; branches, ureteral artery; distribution, ureter, ductus deferens, seminal vesicles, testes. Called also deferential artery.
arteria epigas´trica infe´rior, inferior epigastric artery: origin, external iliac artery; branches, pubic branch, cremasteric artery, artery of round ligament of uterus; distribution, abdominal wall.
arteria epigas´trica superficia´lis, superficial epigastric artery: origin, femoral artery; branches, none; distribution, abdominal wall, groin.
arteria epigas´trica supe´rior, superior epigastric artery: origin, internal thoracic artery; branches, none; distribution, abdominal wall, diaphragm.
arte´riae episclera´les, episcleral arteries: origin,anterior ciliary arteries; branches, none; distribution, iris, ciliary processes.
arteria ethmoida´lis ante´rior, anterior ethmoidal artery: origin,ophthalmic artery; branches,anterior meningeal, anterior septal, and anterior lateral nasal branches; distribution, dura mater, nose, frontal sinus, anterior ethmoidal cells.
arteria ethmoida´lis poste´rior, posterior ethmoidal artery: origin,ophthalmic artery; branches, meningeal and septal and lateral nasal branches; distribution, posterior ethmoidal cells, dura mater, nose.
arteria facia´lis, facial artery: origin, external carotid artery; branches, ascending palatine, tonsillar, submental, inferior labial, superior labial, septal, lateral nasal, angular, glandular; distribution, face, tonsil, palate, submandibular gland. Called also external maxillary artery.
arteria femora´lis, femoral artery: origin, continuation of external iliac; branches, superficial epigastric, superficial circumflex iliac, external pudendal, deep femoral, descending genicular; distribution, lower abdominal wall, external genitalia, lower extremity. note: Vascular surgeons refer to the portion of the femoral artery proximal to the branching of the deep femoral as the common femoral a., and to its continuation as the superficial femoral a. In this classification, the descending genicular artery is a branch of the superficial femoral artery.
arteria fibula´ris, peroneal artery: origin, posterior tibial artery; branches, perforating, communicating, calcaneal, and lateral and medial malleolar branches, and calcaneal rete; distribution, outside and back of ankle, deep calf muscles. Called also a. peronea[TA alternative].
arteria frontobasa´lis latera´lis, lateral frontobasal artery: origin, superior terminal branch of middle cerebral artery: branches, none; distribution, cortex of lateroinferior frontal lobe. Called also a. orbitofrontalis lateralis[TA alternative] and orbitofrontal artery.
arteria frontobasa´lis media´lis, medial frontobasal artery: origin,postcommunical part of anterior cerebral artery; branches, none; distribution, cortex of medioinferior frontal lobe. Called also a. orbitofrontalis medialis[TA alternative] and medial orbitofrontal artery.
arte´riae gas´tricae bre´ves, short gastric arteries: origin, splenic artery; branches, none; distribution, upper part of stomach.
arteria gas´trica dex´tra, right gastric artery: origin, common hepatic artery; branches, none; distribution, lesser curvature of stomach. Called also pyloric artery.
arteria gas´trica poste´rior, posterior gastric artery: origin, splenic artery; branches, none; distribution, posterior gastric wall.
arteria gas´trica sinis´tra, left gastric artery: origin, celiac trunk; branches, esophageal branches; distribution, esophagus, lesser curvature of stomach. Called also left coronary artery of stomach.
arteria gastroduodena´lis, gastroduodenal artery: origin, common hepatic artery; branches, supraduodenal and posterior superior pancreaticoduodenal arteries; distribution, stomach, duodenum, pancreas, greater omentum.
arteria gastroomenta´lis dex´tra, right gastro-omental artery: origin, gastroduodenal artery; branches, gastric, omental branches; distribution, stomach, greater omentum. Called also right inferior gastric artery.
arteria gastroomenta´lis sinis´tra, left gastro-omental artery: origin, splenic artery; branches, gastric, omental branches; distribution, stomach, greater omentum. Called also left inferior gastric artery.
arteria glu´tea infe´rior, inferior gluteal artery: origin, internal iliac artery; branches, sciatic artery; distribution, buttock, back of thigh.
arteria glu´tea supe´rior, superior gluteal artery: origin, internal iliac artery; branches, superficial and deep branches; distribution, buttocks.
arteria gy´ri angula´ris, artery of angular gyrus: origin, terminal part of middle cerebral artery; branches, none; distribution, temporal, parietal, and occipital lobes.
arte´riae helici´nae pe´nis, helicine arteries of penis: helicine arteries arising from the vessels of the penis, whose engorgement causes erection of the organ. Called also arteries of Mueller.
arteria hepa´tica commu´nis, common hepatic artery: origin, celiac trunk; branches, right gastric, gastroduodenal, and proper hepatic arteries; distribution, stomach, pancreas, duodenum, liver, gallbladder, greater omentum.
arteria hepa´tica pro´pria, hepatic artery proper: origin, common hepatic artery; branches, right and left branches; distribution, liver, gallbladder.
arteria hyaloi´dea, hyaloid artery: a fetal vessel that continues forward from the central artery of retina through the vitreous body to supply the lens; it normally is not present after birth.
arteria hypophysia´lis infe´rior, inferior hypophysial artery: a small branch from the cavernous part of the internal carotid artery that supplies the pituitary gland.
arteria hypophysia´lis supe´rior, superior hypophysial artery: a small branch from the cerebral part of the internal carotid artery that supplies the pituitary gland.
arte´riae ilea´les, ileal arteries: origin, superior mesenteric artery; branches, none; distribution, ileum. See illustration at a. mesenterica superior.
arteria ileoco´lica, ileocolic artery: origin, superior mesenteric artery; branches, anterior and posterior cecal and appendicular arteries and colic (ascending) and ileal branches; distribution, ileum, cecum, vermiform appendix, ascending colon. Called also inferior right colic artery. See illustration at a. mesenterica superior.
arteria ili´aca commu´nis, common iliac artery: origin, abdominal aorta; branches, internal and external iliac arteries; distribution, pelvis, abdominal wall, lower limb.
arteria ili´aca exter´na, external iliac artery: origin, common iliac; branches, inferior epigastric, deep circumflex iliac arteries; distribution, abdominal wall, external genitalia, lower limb. Called also anterior iliac artery.
arteria ili´aca inter´na, internal iliac artery: origin, continuation of common iliac artery; branches, iliolumbar, obturator, superior gluteal, inferior gluteal, umbilical, inferior vesical, uterine, middle rectal, and internal pudendal arteries; distribution, wall and viscera of pelvis, buttock, reproductive organs, medial aspect of thigh. Called also hypogastric artery and posterior pelvic artery.
arteria iliolumba´lis, iliolumbar artery: origin, posterior trunk of internal iliac artery; branches,iliac, spinal, and lumbar branches; distribution, pelvic muscles and bones, fifth lumbar segment, sacrum. Called also small iliac artery.
arteria infe´rior ante´rior cerebel´li, anterior inferior cerebellar artery: origin,basilar artery; branches,labyrinthine artery (usually); distribution, anterolateral inferior part of cerebellum, lower and lateral parts of pons, and sometimes upper part of medulla oblongata.
arteria infe´rior latera´lis ge´nus, lateral inferior artery of knee: origin, popliteal artery; branches, none; distribution, knee joint. Called also lateral inferior genicular artery.
arteria infe´rior media´lis ge´nus, medial inferior artery of knee: origin, popliteal artery; branches, none; distribution, knee joint. Called also medial inferior genicular artery.
arteria infe´rior poste´rior cerebel´li, posterior inferior cerebellar artery: origin,vertebral artery; branches, medial, lateral and cerebellar tonsillar branches, choroidal branch to fourth ventricle, posterior spinal artery; distribution, lower cerebellum, medulla.
arteria infraorbita´lis, infraorbital artery: origin, maxillary artery; branches, anterior superior alveolar arteries; distribution, maxilla, maxillary sinus, upper teeth, lower eyelid, cheek, nose.
arte´riae insula´res, insular arteries: origin, insular part of middle cerebral artery; branches, none; distribution, cortex of insula.
arte´riae intercosta´les posterio´res, posterior intercostal arteries: for the first two, see a. intercostalis posterior prima and a. intercostalis posterior secunda; there are nine other pairs (III–XI): origin,thoracic aorta; branches,dorsal, collateral, muscular, and lateral cutaneous; distribution, thoracic wall.
arteria intercosta´lis poste´rior pri´ma, first posterior intercostal artery: origin,highest intercostal artery; branches,dorsal and spinal branches; distribution, upper thoracic wall.
arteria intercosta´lis poste´rior secun´da, second posterior intercostal artery: origin,highest intercostal artery; branches,dorsal and spinal branches; distribution, upper thoracic wall.
arteria intercosta´lis supre´ma, highest intercostal artery: origin, costocervical trunk; branches, first and second posterior intercostal arteries; distribution, upper thoracic wall. Called also superior intercostal artery.
arte´riae interloba´res re´nis, interlobar arteries of kidney: origin, lobar branches of segmental arteries; branches, arcuate arteries; distribution, parenchyma of kidney.
arte´riae interlobula´res he´patis, interlobular arteries of liver: arteries originating from the right or left branch of the hepatic artery proper, forming a plexus outside each hepatic lobule and supplying the walls of the interlobular veins and the accompanying bile ducts.
arte´riae interlobula´res re´nis, TA alternative for arteriae corticales radiatae.
arteria interos´sea ante´rior, anterior interosseous artery: origin, posterior or common interosseous artery; branches, median artery; distribution, deep parts of front of forearm. Called also volar interosseous artery.
arteria interos´sea commu´nis, common interosseous artery: origin, ulnar artery; branches, anterior and posterior interosseous arteries; distribution, antecubital fossa.
arteria interos´sea poste´rior, posterior interosseous artery: origin, common interosseous artery; branches, recurrent interosseous artery; distribution, deep parts of back of forearm. Called also dorsal interosseous artery.
arteria interos´sea recur´rens, recurrent interosseous artery: origin, posterior interosseous or common interosseous artery; branches, none; distribution, back of elbow joint.
arte´riae intrarena´les, intrarenal arteries: the arteries within the kidney, including the interlobar, arcuate, and cortical radiate (interlobular) arteries, and the arteriolae rectae. Called also arteriae renales.
arte´riae jejuna´les, jejunal arteries: origin, superior mesenteric; branches, none; distribution, jejunum. See illustration at a. mesenterica superior.
arteria labia´lis infe´rior, inferior labial artery: origin, facial artery; branches, none; distribution, lower lip.
arteria labia´lis supe´rior, superior labial artery: origin, facial artery; branches, septal and alar; distribution, upper lip, nose.
arteria labyrin´thi, labyrinthine artery: origin,anterior inferior cerebellar or basilar artery; branches,anterior vestibular and common cochlear arteries; distribution, through the internal acoustic meatus to the internal ear. Called also internal auditory artery.
arteria lacrima´lis, lacrimal artery: origin,ophthalmic artery; branches,lateral palpebral arteries and anastomotic branch with middle meningeal artery; distribution, lacrimal gland, upper and lower eyelids, conjunctiva.
arteria laryn´gea infe´rior, inferior laryngeal artery: origin, inferior thyroid artery; branches, none; distribution, larynx, trachea, esophagus.
arteria laryn´gea supe´rior, superior laryngeal artery: origin, superior thyroid artery; branches, none; distribution, larynx.
arteria liena´lis, TA alternative for a. splenica.
arteria ligamen´ti te´retis u´teri, artery of round ligament of uterus: origin, inferior epigastric artery; branches, none; distribution, round ligament of uterus.
arteria lingua´lis, lingual artery: origin, external carotid artery; branches, suprahyoid, sublingual, dorsal lingual, deep lingual; distribution, tongue, sublingual gland, tonsil, epiglottis.
arteria lingula´ris, lingular artery: a branch of the left pulmonary artery to the superior lobe of the left lung, consisting almost entirely of the superior and inferior lingular arteries and supplying the lingular segments. Called also lingular segmental artery.
arteria lingula´ris infe´rior, inferior lingular artery: a branch of the lingular artery, supplying the inferior lingular segment of the superior lobe of the left lung. Called also inferior lingular segmental artery.
arteria lingula´ris supe´rior, superior lingular artery: a branch of the lingular artery, supplying the superior lingular segment of the superior lobe of the left lung. Called also superior lingular segmental artery.
arte´riae loba´res inferio´res pulmo´nis dex´tri, inferior lobar arteries of right lung: the branches of the right pulmonary artery that supply the inferior lobe of the right lung, consisting of the superior, anterior basal, lateral basal, medial basal, and posterior basal segmental arteries.
arte´riae loba´res inferio´res pulmo´nis sinis´tri, inferior lobar arteries of left lung: the branches of the left pulmonary artery that supply the inferior lobe of the left lung, consisting of the superior, anterior basal, lateral basal, medial basal, and posterior basal segmental arteries.
arteria loba´ris me´dia pulmo´nis dex´tri, middle lobar artery of right lung: the branch of the right pulmonary artery that carries blood to the middle lobe of the right lung, giving rise to the lateral and medial segmental arteries.
arte´riae loba´res superio´res pulmo´nis dex´tri, superior lobar arteries of right lung: the branches of the right pulmonary artery that carry blood to the superior lobe of the right lung, consisting of the apical, anterior, and posterior segmental arteries.
arte´riae loba´res superio´res pulmo´nis sinis´tri, superior lobar arteries of left lung: the branches of the left pulmonary artery that carry blood to the superior lobe of the left lung, consisting of the apical, anterior, and posterior segmental arteries.
arteria lo´bi cauda´ti, artery of caudate lobe: either of two branches, one from the right and one from the left branch of the hepatic artery proper, supplying twigs to the caudate lobe of the liver.
arte´riae lumba´les, lumbar arteries: origin,abdominal aorta; branches,dorsal and spinal branches; distribution, posterior abdominal wall, renal capsule.
arte´riae lumba´les i´mae, lowest lumbar arteries: origin, median sacral artery; branches, none; distribution, sacrum, gluteus maximus muscle. Called also fifth lumbar arteries.
arteria luso´ria, an abnormally situated retroesophageal vessel, usually the subclavian artery from the aortic arch, which may cause symptoms by compression of the esophagus, the trachea, or a nerve.
arteria malleola´ris ante´rior latera´lis, lateral anterior malleolar artery: origin, anterior tibial artery; branches, none; distribution, ankle joint.
arteria malleola´ris ante´rior media´lis, medial anterior malleolar artery: origin, anterior tibial artery; branches, none; distribution, ankle joint.
arte´riae mammilla´res, mammillary arteries: origin,posterior communicating artery; branches, none; distribution, mammillary bodies.
arteria margina´lis co´li, marginal artery of colon; a continuous vessel running along the inner perimeter of the large intestine from the ileocolic junction to the rectum, formed by branches from the superior and inferior mesenteric arteries and giving rise to straight arteries that supply the intestinal wall. Called also marginal artery of Drummond.
arteria massete´rica, masseteric artery: origin, maxillary artery; branches, none; distribution, masseter muscle.
arteria maxilla´ris, maxillary artery: origin, external carotid artery; branches, deep auricular, anterior tympanic, inferior alveolar, middle meningeal, pterygomeningeal, masseteric, anterior and posterior deep temporal, buccal, posterior superior alveolar, infraorbital, descending palatine, and sphenopalatine arteries, and artery of pterygoid canal; distribution, both jaws, teeth, muscles of mastication, ear, meninges, nose, paranasal sinuses, palate. Called also internal maxillary artery.
arteria me´dia ge´nus, middle artery of knee: origin, popliteal artery; branches, none; distribution, knee joint, cruciate ligaments, patellar synovial and alar folds. Called also middle genicular artery.
arteria medulla´ris segmenta´lis, segmental medullary artery: one of the spinal branches of the vertebral artery, of the dorsal branch of a posterior intercostal artery, or of a lumbar artery; it supplies the root of a particular spinal nerve and, unlike a radicular artery, extends to anastomose with the anterior spinal artery.
arte´riae mem´bri inferio´ris, arteries of lower limb: the arteries supplying the thigh, leg, and foot, including the external iliac, femoral, deep femoral, popliteal, anterior and posterior tibial, dorsalis pedis, medial and lateral plantar, and peroneal arteries.
arte´riae mem´bri superio´ris, arteries of upper limb: the arteries supplying the arm, forearm, and hand, including the axillary, brachial, radial, and ulnar arteries.
arteria menin´gea me´dia, middle meningeal artery: origin, maxillary artery; branches, frontal, parietal, and lacrimal anastomotic, accessory meningeal, and petrosal rami, and superior tympanic artery; distribution, cranial bones, dura mater.
arteria menin´gea poste´rior, posterior meningeal artery: origin, ascending pharyngeal artery; branches, none; distribution, bones and dura mater of posterior cranial fossa.
arte´riae mesencepha´licae, mesencephalic arteries: origin,basilar artery; branches, none; distribution: cerebral peduncle.
arteria mesente´rica infe´rior, inferior mesenteric artery: origin, abdominal aorta; branches, left colic, sigmoid, and superior rectal arteries; distribution, descending colon, rectum.
arteria mesente´rica supe´rior, superior mesenteric artery: origin, abdominal aorta; branches, inferior pancreaticoduodenal, jejunal, ileal, ileocolic, right colic, and middle colic arteries; distribution, small intestine, proximal half of colon. See illustration.
arte´riae metacarpa´les dorsa´les, dorsal metacarpal arteries: origin, dorsal carpal rete and radial artery; branches, dorsal digital arteries; distribution, dorsum of fingers.
arte´riae metacarpa´les palma´res, palmar metacarpal arteries: origin, deep palmar arch; branches, none; distribution, deep parts of metacarpus. Called also volar metacarpal or palmar intermetacarpal arteries.
arte´riae metatarsa´les dorsa´les, dorsal metatarsal arteries: origin, arcuate artery of foot; branches, dorsal digital arteries; distribution, dorsum of foot, including toes.
arte´riae metatarsa´les planta´res, plantar metatarsal arteries: origin, plantar arch; branches, perforating branches, common and proper plantar digital arteries; distribution, toes. Called also common digital arteries of foot.
arte´riae muscula´res, muscular arteries: branches of the ophthalmic artery consisting of a superior group and an inferior group; the inferior group gives origin to the anterior ciliary arteries.
arteria musculophre´nica, musculophrenic artery: origin, internal thoracic artery; branches, none; distribution, diaphragm, abdominal and thoracic walls.
arte´riae nasa´les posterio´res latera´les, posterior lateral nasal arteries: origin, sphenopalatine artery; branches, none; distribution, frontal, maxillary, ethmoidal, and sphenoidal sinuses.
arteria nutri´cia, nutrient artery: any artery that supplies the marrow of a long bone; called also a. nutriens[TA alternative] and medullary artery. See also nutrient vessels, under vessel.
arte´riae nutri´ciae fe´moris, nutrient arteries of femur: origin, third perforating artery; branches, none; distribution, femur. Called also arteriae nutrientes femoris[TA alternative].
arteria nutri´cia fi´bulae, nutrient artery of fibula: origin, peroneal artery; branches, none; distribution, fibula. Called also a. nutriens fibulae[TA alternative].
arte´riae nutri´ciae hu´meri, nutrient arteries of humerus: origin, brachial and deep brachial arteries; branches, none; distribution, humerus. Called also arteriae nutrientes humeri[TA alternative].
arteria nutri´cia ti´biae, nutrient tibial artery: origin, posterior tibial artery; branches, none; distribution, tibia. Called also nutrient artery of tibia and a. nutriens tibiae[TA alternative].
arteria nu´triens, TA alternative for a. nutricia.
arte´riae nutrien´tes fe´moris, TA alternative for arteriae nutriciae femoris.
arteria nu´triens fi´bulae, TA alternative for a. nutricia fibulae.
arte´riae nutrien´tes hu´meri, TA alternative for arteriae nutriciae humeri.
arteria nu´triens ti´biae, TA alternative for a. nutricia tibiae.
arteria obturato´ria, obturator artery: origin, internal iliac artery; branches, pubic, acetabular, anterior, and posterior branches; distribution, pelvic muscles, hip joint.
arteria obturato´ria accesso´ria, accessory obturator artery: a name given to the obturator artery when it arises from the inferior epigastric instead of the internal iliac artery.
arteria occipita´lis, occipital artery: origin, external carotid artery; branches, auricular, meningeal, mastoid, descending, occipital, and sternocleidomastoid branches; distribution, muscles of neck and scalp, meninges, mastoid cells.
arteria occipita´lis latera´lis, lateral occipital artery: origin, third segment of posterior cerebral artery; branches, anterior temporal, intermediate temporal, and posterior temporal branches; distribution, cortex of anterior, middle, and posterior parts of temporal lobe.
arteria occipita´lis media´lis, medial occipital artery: origin, fourth segment of posterior cerebral artery; branches,parietal, parietooccipital, calcarine, and occipitotemporal branches, and branch to dorsal corpus callosum; distribution, dorsum of corpus callosum, precuneus, cuneus, lingual gyrus, and posterior part of lateral surface of occipital lobe.
arteria ophthal´mica, ophthalmic artery: origin,cerebral part of internal carotid artery; branches,lacrimal and supraorbital arteries, central artery of retina, ciliary, muscular, posterior and anterior ethmoidal, palpebral, supratrochlear, and dorsal nasal arteries, and recurrent meningeal branch; distribution, eye, orbit, adjacent facial structures.
arteria orbitofronta´lis latera´lis, TA alternative for a. frontobasalis lateralis.
arteria orbitofronta´lis media´lis, TA alternative for a. frontobasalis medialis.
arteria ova´rica, ovarian artery: origin, abdominal aorta; branches, ureteral, tubal; distribution, ureter, ovary, uterine tube. Called also tubo-ovarian artery or aortic uterine artery.
arteria palati´na ascen´dens, ascending palatine artery: origin, facial artery; branches, none; distribution, soft palate, wall of pharynx, tonsil, auditory tube.
arteria palati´na descen´dens, descending palatine artery: origin, maxillary artery; branches, greater and lesser palatine arteries; distribution, soft palate, hard palate, tonsil.
arteria palati´na ma´jor, greater palatine artery: origin, descending palatine artery; branches, none; distribution, hard palate.
arte´riae palati´nae mino´res, lesser palatine arteries: origin, descending palatine artery; branches, none; distribution, soft palate, tonsil.
arte´riae palpebra´les latera´les, lateral palpebral arteries: origin, lacrimal artery; branches, none; distribution, eyelids, conjunctiva.
arte´riae palpebra´les media´les, two arteries, superior and inferior medial palpebral arteries: origin,ophthalmic artery; branches,posterior conjunctival arteries and superior and inferior palpebral arches; distribution, eyelids.
arteria pancrea´tica dorsa´lis, dorsal pancreatic artery: origin, splenic artery; branches, inferior pancreatic artery; distribution, neck and body of pancreas.
arteria pancrea´tica infe´rior, inferior pancreatic artery: origin, dorsal pancreatic artery; branches, none; distribution, body and tail of pancreas.
arteria pancrea´tica mag´na, great pancreatic artery: origin, splenic artery; branches and distribution, right and left branches anastomose with other pancreatic arteries.
arte´riae pancreaticoduodena´les infe´riores, inferior pancreaticoduodenal arteries: origin, superior mesenteric artery; branches, anterior, posterior; distribution, pancreas, duodenum.
arteria pancreaticoduodena´lis supe´rior ante´rior, anterior superior pancreaticoduodenal artery: origin, gastroduodenal artery; branches, pancreatic and duodenal; distribution, pancreas and duodenum.
arteria pancreaticoduodena´lis supe´rior poste´rior, posterior superior pancreaticoduodenal artery: origin, gastroduodenal artery; branches, pancreatic and duodenal; distribution, pancreas, duodenum.
arteria parieta´lis ante´rior, anterior parietal artery: origin, superior terminal branch of middle cerebral artery; branches, none; distribution, anterior parietal lobe.
arteria parieta´lis poste´rior, posterior parietal artery: origin, superior terminal branch of middle cerebral artery; branches, none; distribution, posterior parietal lobe.
arte´riae perforan´tes, perforating arteries: origin, branches (usually three) of the deep femoral artery that perforate the insertion of the adductor magnus to reach the back of the thigh; branches, nutrient arteries; distribution, adductor, hamstring, and gluteal muscles, and femur.
arte´riae perforan´tes anterio´res, anterior perforating arteries: origin,precommunical part of anterior cerebral artery; branches, none; distribution, enter anterior perforated substance.
arte´riae perforan´tes radia´tae, perforating radiate arteries: small arteries that are continuations of the cortical radiate arteries and perforate the renal capsule.
arteria pericallo´sa, pericallosal artery: origin,postcommunical part of anterior cerebral artery, distal to the origin of the callosomarginal artery; branches,precuneal and parietooccipital branches; distribution, runs along corpus callosum, supplying cerebral cortex. The term was formerly used more generally for the entire postcommunical part of the anterior cerebral artery.
arteria pericardiacophre´nica, pericardiacophrenic artery: origin, internal thoracic artery; branches, none; distribution, pericardium, diaphragm, pleura.
arteria perinea´lis, perineal artery: origin, internal pudendal artery; branches, none; distribution, perineum, skin of external genitalia.
arteria perone´a, TA alternative for a. fibularis.
arteria pharyn´gea ascen´dens, ascending pharyngeal artery: origin, external carotid artery; branches, posterior meningeal, pharyngeal, and inferior tympanic; distribution, pharynx, soft palate, ear, meninges.
arteria phre´nica infe´rior, inferior phrenic artery: origin, abdominal aorta; branches, superior suprarenal arteries; distribution, diaphragm, suprarenal gland. Called also great phrenic artery.
arte´riae phre´nicae superio´res, superior phrenic arteries: origin, thoracic aorta; branches, none; distribution, upper surface of vertebral portion of diaphragm.
arteria planta´ris latera´lis, lateral plantar artery: origin, posterior tibial artery; branches, plantar arch and plantar metatarsal arteries; distribution, sole of foot and toes. Called also external plantar artery.
arteria planta´ris media´lis, medial plantar artery: origin, posterior tibial artery; branches, deep and superficial branches; distribution, sole of the foot and toes.
arteria planta´ris profun´da, deep plantar artery: origin, dorsalis pedis artery; branches, none; distribution, sole of foot to help form plantar arch.
arteria pola´ris fronta´lis, polar frontal artery: origin,postcommunical part of anterior cerebral artery; branches, none; distribution,frontal pole of cerebral hemisphere. Called also frontopolar artery.
arteria pola´ris tempora´lis, polar temporal artery: origin, sphenoid part of middle cerebral artery; branches, none; distribution,temporal pole of cerebral hemisphere.
arte´riae pon´tis, pontine arteries: origin,basilar artery; branches, none; distribution, pons and adjacent areas of brain. There are shorter (rami mediales pontis) and longer (rami laterales pontis) pontine arteries.
arteria popli´tea, popliteal artery: origin, continuation of femoral artery; branches, lateral and medial superior genicular, middle genicular, sural, lateral and medial inferior genicular, anterior and posterior tibial arteries, and the genicular articular and the patellar retes; distribution, knee, calf.
arteria prefronta´lis, prefrontal artery: origin, superior terminal branch of middle cerebral artery; branches, none; distribution, prefrontal area of cerebrum.
arte´riae preop´ticae, preoptic arteries: origin,precommunical part of anterior cerebral artery; branches, none; distribution, preoptic region.
arteria prepancrea´tica, prepancreatic artery: an arterial arch between the neck and uncinate process of the pancreas, formed by the right branch of the dorsal ramus of the splenic artery and a branch from the anterior superior pancreaticoduodenal artery.
arteria prin´ceps pol´licis, princeps pollicis artery: origin, radial artery; branches, radialis indicis artery of index finger; distribution, each side and palmar aspect of thumb.
arteria profun´da bra´chii, profunda brachii artery: origin, brachial artery; branches, deltoid branch, nutrient of humerus and middle and radial collateral arteries; distribution, humerus, muscles and skin of arm. Called also deep artery of arm.
arteria profun´da clito´ridis, deep artery of clitoris: origin, internal pudendal artery; branches, none; distribution, clitoris.
arteria profun´da fe´moris, deep femoral artery: origin, femoral artery; branches, medial and lateral circumflex arteries of thigh, perforating arteries; distribution, thigh muscles, hip joint, gluteal muscles, femur.
arteria profun´da lin´guae, deep lingual artery: origin, lingual artery; branches, none; distribution, tongue. Called also ranine artery.
arteria profun´da pe´nis, deep artery of penis: origin, internal pudendal artery; branches, none; distribution, corpus cavernosum penis.
arteria puden´da exter´na profun´da, deep external pudendal artery: origin, femoral artery; branches, anterior scrotal or anterior labial branches, inguinal branches; distribution, external genitalia, upper medial thigh.
arteria puden´da exter´na superficia´lis, superficial external pudendal artery: origin, femoral artery; branches, none; distribution, external genitalia.
arteria puden´da inter´na, internal pudendal artery: origin, internal iliac artery; branches, posterior scrotal or posterior labial branches and inferior rectal, perineal, urethral arteries, artery of bulb of penis or vestibule, deep artery of penis or clitoris, dorsal artery of penis or clitoris; distribution, external genitalia, anal canal, perineum.
arteria pulmona´lis dex´tra, right pulmonary artery: origin, pulmonary trunk; branches, of superior lobe: apical, anterior ascending and descending, posterior ascending and descending, of medial lobe: medial and lateral, of inferior lobe: anterior basal, lateral basal, medial basal; posterior basal; distribution, right lung.
arteria pulmona´lis sinis´tra, left pulmonary artery: origin, pulmonary trunk; branches, of superior lobe: apical, ascending and descending, posterior, lingular (inferior and superior), of inferior lobe: superior, anterior basal, lateral basal, medial basal, posterior basal; distribution, left lung.
arteria quadrigemina´lis, TA alternative for a. collicularis.
arteria radia´lis, radial artery: origin, brachial artery; branches, palmar carpal, superficial palmar and dorsal carpal rami, recurrent radial artery, princeps pollicis artery, deep palmar arch; distribution, forearm, wrist, hand.
arteria radia´lis in´dicis, radialis indicis artery: origin, princeps pollicis artery; branches, none; distribution, index finger.
arteria radicula´ris ante´rior, anterior radicular artery: one of the spinal branches of the dorsal branch of a posterior intercostal artery; it is the branch supplying the anterior root of a particular spinal nerve.
arteria radicula´ris mag´na, artery of Adamkiewicz.
arteria radicula´ris poste´rior, posterior radicular artery: one of the spinal branches of the dorsal branch of a posterior intercostal artery; it is the branch supplying the posterior root of a particular spinal nerve.
arteria recta´lis infe´rior, inferior rectal artery: origin, internal pudendal artery; branches, none; distribution, rectum, anal canal. Called also inferior hemorrhoidal artery.
arteria recta´lis me´dia, middle rectal artery: origin, internal iliac artery; branches, vaginal; distribution, rectum, prostate, seminal vesicles, vagina. Called also middle hemorrhoidal artery.
arteria recta´lis supe´rior, superior rectal artery: origin, inferior mesenteric artery; branches, none; distribution, rectum. Called also superior hemorrhoidal artery.
arteria recur´rens radia´lis, radial recurrent artery: origin, radial artery; branches, none; distribution, brachioradialis, brachialis, elbow region.
arteria recur´rens tibia´lis ante´rior, anterior tibial recurrent artery: origin, anterior tibial artery; branches, none; distribution, tibialis anterior, extensor digitorum longus, knee joint, contiguous fascia and skin.
arteria recur´rens tibia´lis poste´rior, posterior tibial recurrent artery: origin, anterior tibial artery; branches, none; distribution, knee.
arteria recur´rens ulna´ris, ulnar recurrent artery: origin, ulnar artery; branches, anterior and posterior; distribution, elbow joint region.
arteria rena´lis, renal artery: origin, abdominal aorta; branches, ureteral branches, inferior suprarenal artery; distribution, kidney, suprarenal gland, ureter.(in the pl.)arteriae intrarenales.
arte´riae retroduodena´les, retroduodenal arteries: origin, first branch of gastroduodenal artery; branches, none; distribution, bile duct, duodenum, head of pancreas.
arte´riae sacra´les latera´les, lateral sacral arteries: usually two, a superior and an inferior, on each side; origin, posterior trunk of internal iliac artery; branches,spinal branches; distribution, structures about coccyx and sacrum.
arteria sacra´lis media´na, median sacral artery: origin, continuation of abdominal aorta; branches, lowest lumbar artery; distribution, sacrum, coccyx, rectum. Called also caudal, coccygeal, or sacrococcygeal artery.
arteria segmenta´lis ante´rior pulmo´nis dex´tri, anterior segmental artery of right lung: one of the branches of the right pulmonary artery to the superior lobe of the right lung, supplying its anterior segment; it gives rise to ascending and descending branches.
arteria segmenta´lis ante´rior pulmo´nis sinis´tri, anterior segmental artery of left lung: one of the branches of the left pulmonary artery to the superior lobe of the left lung, supplying its anterior segment; it gives rise to ascending and descending branches.
arteria segmenta´lis apica´lis pulmo´nis dex´tri, apical segmental artery of right lung: one of the branches to the superior lobe, supplying its apical segment.
arteria segmenta´lis apica´lis pulmo´nis sinis´tri, apical segmental artery of left lung: one of the branches to the superior lobe, supplying its apical segment.
arteria segmenta´lis basa´lis ante´rior pulmo´nis dex´tri, anterior basal segmental artery of right lung: one of the branches to the inferior lobe, supplying the anterior basal segment.
arteria segmenta´lis basa´lis ante´rior pulmo´nis sinis´tri, anterior basal segmental artery of left lung: one of the branches to the inferior lobe, supplying its anterior basal segment.
arteria segmenta´lis basa´lis latera´lis pulmo´nis dex´tri, lateral basal segmental artery of right lung: one of the branches to the inferior lobe, supplying the lateral basal segment.
arteria segmenta´lis basa´lis latera´lis pulmo´nis sinis´tri, lateral basal segmental artery of left lung: one of the branches to the inferior lobe, supplying its lateral basal segment.
arteria segmenta´lis basa´lis media´lis pulmo´nis dex´tri, medial basal segmental artery of right lung: one of the branches to the inferior lobe, supplying the medial basal segment.
arteria segmenta´lis basa´lis media´lis pulmo´nis sinis´tri, medial basal segmental artery of left lung: one of the branches to the inferior lobe, supplying its medial basal segment.
arteria segmenta´lis basa´lis poste´rior pulmo´nis dex´tri, posterior basal segmental artery of right lung: one of the branches to the inferior lobe, supplying the posterior basal segment.
arteria segmenta´lis basa´lis poste´rior pulmo´nis sinis´tri, posterior basal segmental artery of left lung: one of the branches to the inferior lobe, supplying its posterior basal segment.
arteria segmenta´lis latera´lis pulmo´nis dex´tri, lateral segmental artery of right lung: one of the two branches to the middle lobe, supplying its lateral segment.
arteria segmenta´lis media´lis pulmo´nis dex´tri, medial segmental artery of right lung: one of the two branches to the middle lobe, supplying its medial segment.
arteria segmenta´lis poste´rior pulmo´nis dex´tri, posterior segmental artery of right lung: one of the branches of the right pulmonary artery to the superior lobe of the right lung, supplying its posterior segment; it gives rise to ascending and descending branches.
arteria segmenta´lis poste´rior pulmo´nis sinis´tri, posterior segmental artery of left lung: one of the branches of the left pulmonary artery to the superior lobe of the left lung, supplying its posterior segment; it gives rise to ascending and descending branches.
arteria segmenta´lis supe´rior pulmo´nis dex´tri, superior segmental artery of right lung: one of the branches of the right pulmonary artery to the inferior lobe, supplying its superior segment.
arteria segmenta´lis supe´rior pulmo´nis sinis´tri, superior segmental artery of left lung: one of the branches of the left pulmonary artery to the inferior lobe, supplying its superior segment.
arteria segmen´ti anterio´ris hepa´tici, anterior segmental artery of liver: origin, right branch of hepatic artery proper; branches, none; distribution, anterior segment of right liver (see table at segmentum).
arteria segmen´ti anterio´ris inferio´ris rena´lis, anterior inferior segmental artery of kidney: origin, anterior branch of renal artery; branches, none; distribution, anterior inferior segment of kidney.
arteria segmen´ti anterio´ris superio´ris rena´lis, anterior superior segmental artery of kidney: origin, anterior branch of renal artery; branches, none; distribution, anterior superior segment of kidney.
arteria segmen´ti inferio´ris rena´lis, inferior segmental artery of kidney: origin, anterior branch of renal artery; branches, none; distribution, inferior segment of kidney.
arteria segmen´ti latera´lis hepa´tici, lateral segmental artery of liver: origin, left branch of hepatic artery proper; branches, none; distribution, lateral segment of left liver (see table at segmentum).
arteria segmen´ti media´lis hepa´tici, medial segmental artery of liver: origin, left branch of hepatic artery proper; branches, none; distribution, medial segment of left liver (see table at segmentum).
arteria segmen´ti posterio´ris hepa´tici, posterior segmental artery of liver: origin, right branch of hepatic artery proper; branches, none; distribution, posterior segment of right liver (see table at segmentum).
arteria segmen´ti posterio´ris rena´lis, posterior segmental artery of kidney: origin, posterior branch of renal artery; branches, none; distribution, posterior segment of kidney.
arteria segmen´ti superio´ris rena´lis, superior segmental artery of kidney: origin, anterior branch of renal artery; branches, none; distribution, superior segment of kidney.
arte´riae sigmoi´deae, sigmoid arteries: origin, inferior mesenteric artery; branches, none; distribution, sigmoid colon.
arteria sphenopalati´na, sphenopalatine artery: origin, maxillary artery; branches, posterior lateral nasal artery and posterior septal branches; distribution, structures adjoining nasal cavity, the nasopharynx. Called also nasopalatine artery.
arteria spina´lis ante´rior, anterior spinal artery: origin,intracranial part of vertebral artery; branches, none; distribution, the two branches, one from each vertebral artery, unite to form a single vessel, which descends on the anterior midline of the spinal cord, supplying the anterior region of the cord.
arteria spina´lis poste´rior, posterior spinal artery: origin,posterior inferior cerebellar artery (usually) or vertebral artery; branches, none; distribution, posterior region of spinal cord.
arteria spira´lis modio´li, spiral modiolar artery: origin,common cochlear artery; branches, none; distribution, internal auditory meatus, running a spiral course around the auditory nerve.
arteria sple´nica, splenic artery: origin, celiac trunk; branches, pancreatic and splenic branches, prepancreatic, left gastro-omental, and short gastric arteries; distribution, spleen, pancreas, stomach, greater omentum. Called also a. lienalis[TA alternative].
arteria stria´ta media´lis dista´lis, distal medial striate artery: origin,postcommunical part of anterior cerebral artery; branches, none; distribution, anterior part of head of caudate nucleus and adjacent regions of putamen and internal capsule.
arte´riae stria´tae media´les proxima´les, proximal medial striate arteries: origin,precommunical part of anterior cerebral artery; branches, none; distribution, anterior part of head of caudate nucleus and adjacent regions of putamen and internal capsule.
arteria stylomastoi´dea, stylomastoid artery: origin, posterior auricular artery; branches, mastoid and stapedial branches, posterior tympanic artery; distribution, tympanic cavity walls, mastoid cells, stapedius muscle.
arteria subcla´via, subclavian artery: origin,brachiocephalic trunk (right), arch of aorta (left); branches,vertebral, internal thoracic arteries, thyrocervical and costocervical trunks; distribution, neck, thoracic wall, spinal cord, brain, meninges, upper limb.
arteria subcosta´lis, subcostal artery: origin,thoracic aorta; branches,dorsal and spinal branches; distribution, upper posterior abdominal wall.
arteria sublingua´lis, sublingual artery: origin, lingual artery; branches, none; distribution, sublingual gland.
arteria submenta´lis, submental artery: origin, facial artery; branches, none; distribution, tissues under chin.
arteria subscapula´ris, subscapular artery: origin, axillary artery; branches, thoracodorsal and circumflex scapular arteries; distribution, scapular and shoulder region.
arteria sul´ci centra´lis, artery of central sulcus: origin, superior terminal branch of middle cerebral artery; branches, none; distribution, cortex on either side of central sulcus.
arteria sul´ci postcentra´lis, artery of postcentral sulcus: origin, superior terminal branch of middle cerebral artery; branches, none; distribution, cortex on either side of postcentral sulcus.
arteria sul´ci precentra´lis, artery of precentral sulcus: origin, superior terminal branch of middle cerebral artery; branches, none; distribution, cortex on either side of precentral sulcus.
arteria supe´rior cerebel´li, superior cerebellar artery: origin,basilar artery; branches,lateral and medial branches; distribution, upper cerebellum, midbrain, pineal body, choroid plexus of third ventricle.
arteria supe´rior latera´lis ge´nus, lateral superior artery of knee: origin, popliteal artery; branches, none; distribution, knee joint, femur, patella, contiguous muscles. Called also lateral superior genicular artery.
arteria supe´rior media´lis ge´nus, medial superior artery of knee: origin, popliteal artery; branches, none; distribution, knee joint, femur, patella, contiguous muscles. Called also medial superior genicular artery.
arteria suprachiasma´tica, suprachiasmatic artery: origin,anterior communicating artery; branches, none; distribution, optic chiasm.
arteria supraduodena´lis, supraduodenal artery: origin, gastroduodenal artery; branches, duodenal branch; distribution, superior part of duodenum.
arteria supraop´tica, supraoptic artery: origin,precommunical part of anterior cerebral artery; branches, none; distribution, superior surface of optic nerve and optic chiasm.
arteria supraorbita´lis, supraorbital artery: origin,ophthalmic artery; branches, superficial, deep, diploic; distribution, forehead, upper muscles of orbit, upper eyelid, frontal sinus.
arteria suprarena´lis infe´rior, inferior suprarenal artery: origin, renal artery; branches, none; distribution, suprarenal gland. Called also inferior capsular artery.
arteria suprarena´lis me´dia, middle suprarenal artery: origin, abdominal aorta; branches, none; distribution, suprarenal gland. Called also middle capsular artery, and aortic suprarenal artery.
arte´riae suprarena´les superio´res, superior suprarenal arteries: origin, inferior phrenic artery; branches, none; distribution, suprarenal gland.
arteria suprascapula´ris, suprascapular artery: origin, thyrocervical trunk; branches, acromial branch; distribution, clavicular, deltoid, and scapular regions. Called also transverse scapular artery.
arteria supratrochlea´ris, supratrochlear artery: origin,ophthalmic artery; branches, none; distribution, anterior scalp. Called also frontal artery.
arte´riae sura´les, sural arteries: origin, popliteal artery; branches, none; distribution, popliteal space, calf.
arteria tarsa´lis latera´lis, lateral tarsal artery: origin, dorsalis pedis artery; branches, none; distribution, tarsus.
arte´riae tarsa´les media´les, medial tarsal arteries: origin, dorsalis pedis artery; branches, none; distribution, side of foot.
arteria tempora´lis ante´rior, anterior temporal artery: origin, sphenoid part of middle cerebral artery; branches, none; distribution, cortex of anterior temporal lobe. Called also anterior temporal artery.
arteria tempora´lis me´dia, middle temporal artery: origin, superficial temporal artery; branches, none; distribution temporal region.ramus temporalis medius arteriae cerebri mediae.
arteria tempora´lis profun´da ante´rior, anterior deep temporal artery: origin, maxillary artery; branches, to zygomatic bone and greater wing of sphenoid bone; distribution, temporalis muscle, and anastomoses with middle temporal artery.
arteria tempora´lis profun´da poste´rior, posterior deep temporal artery: origin, maxillary artery; branches, none; distribution, temporal muscle, and anastomoses with middle temporal artery.
arteria tempora´lis superficia´lis, superficial temporal artery: origin, external carotid artery; branches, parotid, auricular, and occipital rami, transverse facial, zygomatico-orbital, and middle temporal arteries; distribution, parotid and temporal regions.
arteria testicula´ris, testicular artery: origin, abdominal aorta; branches, ureteral, epididymal; distribution, ureter, epididymis, testis. Called also funicular artery.
arteria thalamogenicula´ta, thalamogeniculate artery: origin,postcommunical part of posterior cerebral artery; branches, none; distribution, caudal thalamus.
arteria thalamotubera´lis, thalamotuberal artery: origin,posterior communicating artery; branches, none; distribution, premammillary area. Called also premammillary artery.
arteria tha´lami per´forans, thalamoperforating artery: origin,precommunical part of posterior cerebral artery; branches, none; distribution, penetrates posterior perforating substance to supply the thalamus and midbrain.
arteria thora´cica inter´na, internal thoracic artery: origin, subclavian artery; branches, mediastinal, thymic, bronchial, tracheal, sternal, perforating, medial mammary, lateral costal, and anterior intercostal branches, pericardiacophrenic, musculophrenic, and superior epigastric arteries; distribution, anterior thoracic wall, mediastinal structures, diaphragm. Called also internal mammary artery.
arteria thora´cica latera´lis, lateral thoracic artery: origin, axillary artery; branches, mammary branches; distribution, pectoral muscles, mammary gland. Called also external mammary artery.
arteria thora´cica supe´rior, superior thoracic artery: origin, axillary artery; branches, none; distribution, axillary aspect of chest wall. Called also highest thoracic artery.
arteria thoracoacromia´lis, thoracoacromial artery: origin, axillary artery; branches, clavicular, pectoral, deltoid, acromial rami; distribution, deltoid, clavicular, and thoracic regions. Called also acromiothoracic artery, thoracicoacromial artery, and thoracic axis.
arteria thoracodorsa´lis, thoracodorsal artery: origin, subscapular artery; branches, none; distribution, subscapularis and teres muscles.
arteria thyroi´dea i´ma, lowest thyroid artery: origin, arch of aorta, brachiocephalic trunk, or right common carotid, internal mammary, subclavian, or inferior thyroid arteries; branches, none; distribution, thyroid gland. Called also Neubauer artery.
arteria thyroi´dea infe´rior, inferior thyroid artery: origin, thyrocervical trunk; branches, pharyngeal, esophageal, and tracheal rami, inferior laryngeal and ascending cervical arteries; distribution, thyroid gland and adjacent structures.
arteria thyroi´dea supe´rior, superior thyroid artery: origin, external carotid artery; branches, hyoid, sternocleidomastoid, superior laryngeal, cricothyroid, muscular, and anterior, posterior, and lateral glandular branches; distribution, thyroid gland and adjacent structures.
arteria tibia´lis ante´rior, anterior tibial artery: origin, popliteal artery; branches, posterior and anterior tibial recurrent, and lateral and medial anterior malleolar arteries, lateral and medial malleolar retia; distribution, leg, ankle, foot.
arteria tibia´lis poste´rior, posterior tibial artery: origin, popliteal artery; branches, fibular circumflex branch, peroneal, medial plantar, and lateral plantar arteries; distribution, leg, foot.
arteria transver´sa cer´vicis, transverse artery of neck: origin, subclavian artery; branches, deep and superficial branches; distribution, root of neck, muscles of scapula. Called also transverse cervical artery and a. transversa colli[TA alternative].
arteria transver´sa col´li, TA alternative for a. transversa cervicis.
arteria transver´sa facie´i, transverse facial artery: origin, superficial temporal artery; branches, none; distribution, parotid region.
arteria tu´beris cine´rei, artery of tuber cinereum: origin,posterior communicating artery; branches, medial and lateral rami; distribution, tuber cinereum.
arteria tympa´nica ante´rior, anterior tympanic artery: origin, maxillary artery; branches, none; distribution, tympanic cavity.
arteria tympa´nica infe´rior, inferior tympanic artery: origin, ascending pharyngeal artery; branches, none; distribution, tympanic cavity.
arteria tympa´nica poste´rior, posterior tympanic artery: origin, stylomastoid artery; branches, none; distribution, tympanic cavity.
arteria tympa´nica supe´rior, superior tympanic artery: origin, middle meningeal artery; branches, none; distribution, tympanic cavity.
arteria ulna´ris, ulnar artery: origin, brachial artery; branches, palmar carpal, dorsal carpal, and deep palmar rami, ulnar recurrent and common interosseous arteries, superficial palmar arch; distribution, forearm, wrist, hand.
arteria umbilica´lis, umbilical artery: origin, internal iliac artery; branches, artery of ductus deferens and superior vesical arteries; distribution, ductus deferens, seminal vesicles, testes, urinary bladder, ureter. In the fetus, there is also a distal segment of the artery that passes upward along the urinary bladder into the umbilical cord; it is obliterated after birth, becoming the medial umbilical ligament.
arteria unca´lis, uncal artery: a branch of the internal carotid, or rarely the middle cerebral, artery; it supplies the uncus.
arteria urethra´lis, urethral artery: origin, internal pudendal artery; branches, none; distribution, urethra.
arteria uteri´na, uterine artery: origin, internal iliac artery; branches, ovarian and tubal rami, vaginal artery; distribution, uterus, vagina, round ligament of uterus, uterine tube, ovary. Called also fallopian artery.
arteria vagina´lis, vaginal artery: origin, uterine artery; branches, none; distribution, vagina, fundus of bladder.
arteria vertebra´lis, vertebral artery: divided into four parts: the first or prevertebral part (pars prevertebralis), the second or cervical part (pars transversaria), the third or atlantal part (pars atlantica), and the fourth or intracranial part (pars intracranialis); origin,subclavian artery; branches, (cervical part) spinal and muscular branches; (intracranial part) anterior spinal artery and posterior inferior cerebellar artery and its branches, meningeal branches, and lateral and medial medullary branches; distribution, muscles of neck, vertebrae, spinal cord, cerebellum, interior of cerebrum. See also illustration at a. carotis communis.
arteria vesica´lis infe´rior, inferior vesical artery: origin, internal iliac artery; branches, prostatic branches; distribution, bladder, prostate, seminal vesicles, lower ureter.
arte´riae vesica´les superio´res, superior vesical arteries: origin, umbilical artery; branches, none; distribution, bladder, urachus, ureter.
arteria vestibula´ris ante´rior, anterior vestibular artery: origin,labyrinthine artery; branches, none; distribution, vestibular nerves, utricle, part of the cristae and semicircular canals. Called also a. vestibuli[TA alternative].
arteria vestibulocochlea´ris, vestibulocochlear artery: origin,common cochlear artery; branches,cochlear and posterior vestibular branches; distribution, cochlea, saccule, semicircular canals.
arteria vesti´buli, TA alternative for a. vestibularis anterior.
arteria zygomaticoorbita´lis, zygomatico-orbital artery: origin, superficial temporal artery; branches, none; distribution, lateral side of orbit.