| mesenteric artery, inferior | The artery supplying nearly all the left half of the transverse colon, the whole of the descending colon, the sigmoid colon, and the greater part of the rectum. It is smaller than the superior mesenteric artery (mesenteric artery, superior) and arises from the aorta above its bifurcation into the common iliac arteries. (12 Dec 1998) |
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| mesenteric artery occlusion | Obstruction of arterial flow in the mesenteric circulation by an embolus or thrombus; usually refers to occlusion of the superior mesenteric artery, although atherosclerotic narrowing may involve all three major splanchnic branches (coeliac, superior, and inferior mesenteric). (05 Mar 2000) |
| mesenteric artery, superior | A large vessel supplying the whole length of the small intestine except the superior part of the duodenum. It also supplies the caecum and the ascending part of the colon and about half the transverse part of the colon. It arises from the anterior surface of the aorta below the coeliac artery at the level of the first lumbar vertebra. (12 Dec 1998) |
| chief artery of thumb | <anatomy, artery> Origin, radial (deep palmar (arterial) arch); distribution, palmar surface and sides of thumb; anastomoses, arteries on dorsum of thumb. Synonym: arteria princeps pollicis, chief artery of thumb, princeps pollicis, principal artery of thumb. (05 Mar 2000) |
| great anastomotic artery | <anatomy, artery> Origin, brachial; distribution, arm muscles at back of elbow; anastomoses, anterior and posterior ulnar recurrent, superior ulnar collateral, profunda brachii, and recurrent interosseous, as part of the articular network of the elbow. Synonym: arteria collateralis ulnaris inferior, arteria anastomotica magna, great anastomotic artery. (05 Mar 2000) |
| greater palatine artery | <anatomy, artery> Anterior branch of descending palatine artery, supplying the gums and mucous membrane of the hard palate. Synonym: arteria palatina major. (05 Mar 2000) |
| great pancreatic artery | <anatomy, artery> Origin, splenic; distribution, tail of pancreas; anastomoses, inferior pancreatic artery and arteries of pancreatic tail. Synonym: arteria pancreatica magna. (05 Mar 2000) |
| great radicular artery | Largest of the medullary arteries which supply the spinal cord by anastomosing with the anterior (longitudinal) spinal artery; it arises from a lower intercostal or upper lumbar artery (on the left side about 65% of the time) supplying most of the blood to the lower two-thirds of the anterior spinal artery. See: medullary arteries of brain. Synonym: artery of Adamkiewicz, great anastomotic artery, great radicular artery. (05 Mar 2000) |
| great superior pancreatic artery | <anatomy, artery> Origin, splenic; distribution, head and body of pancreas; anastomoses, superior pancreaticoduodenal. Synonym: arteria pancreatica dorsalis, great superior pancreatic artery. (05 Mar 2000) |
| peroneal artery | <anatomy, artery> Origin, posterior tibial; distribution, soleus, tibialis posterior, flexor longus hallucis, peroneal muscles, inferior tibiofibular articulation, and ankle joint; anastomoses, anterior lateral malleolar, lateral tarsal, lateral plantar, dorsalis pedis. Synonym: arteria peronea, arteria fibularis, fibular artery. (05 Mar 2000) |
| groove for middle temporal artery | <anatomy, artery> A vertical groove located above the external acoustic meatus on the external surface of the squamous part of the temporal bone. Synonym: sulcus arteriae temporalis mediae, sulcus for middle temporal artery. (05 Mar 2000) |
| groove for vertebral artery | <anatomy, artery> The sulcus on the superior aspect of the posterior arch of the atlas that transmits the vertebral artery medially toward the foramen magnum. Synonym: sulcus arteriae vertebralis, sulcus for vertebral artery. (05 Mar 2000) |
| groove of lung for subclavian artery | <anatomy, artery> A sulcus on the surface of the lung just below the apex, corresponding to the course of the subclavian artery. Synonym: sulcus subclavius. (05 Mar 2000) |
| metatarsal artery | <anatomy, artery> One of four dorsal or four plantar arteries coursing in relation to the metatarsal bones, each dividing distally into a medial and a lateral digital artery, serving the dorsal or plantar aspects of adjacent sides of two toes. See: dorsal metatarsal artery, plantar metatarsal artery. Synonym: arteria metatarsae. (05 Mar 2000) |
| petrosal branch of middle meningeal artery | <anatomy, artery> Petrous branch of middle meningeal artery; first intracranial branch of middle meningeal artery; anastomosis: stylomastoid artery via hiatus of facial canal. Synonym: ramus petrosus arteriae meningeae mediae. (05 Mar 2000) |