| ADA | adenosine deaminase; American Dental Association; American Dermatological Association; American Diab... |
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| ALCA | anomalous left coronary artery |
| APA | action potential amplitude; aldosterone-producing adenoma; Ambulatory Pediatric Association; America... |
| ART | absolute retention time; Accredited Record Technician; acoustic reflex test; algebraic reconstructio... |
| art | artery, arterial; articulation; artificial |
| perforating peroneal artery | Arterial branches which penetrate a wall or pass from the anterior to the posterior aspect or compartment of a structure such as the hand or foot to anastomose or be distributed. Synonym: ramus perforans, perforating peroneal artery. (05 Mar 2000) |
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| periarterial plexus of maxillary artery | <anatomy, artery> An autonomic plexus on the maxillary artery derived from the external carotid plexus. Synonym: internal maxillary plexus, maxillary plexus, plexus maxillaris internus. (05 Mar 2000) |
| periarterial plexus of vertebral artery | <anatomy, artery> A plexus of autonomic nerves on the vertebral artery derives from the subclavian plexus. Synonym: plexus vertebralis, vertebral plexus. (05 Mar 2000) |
| mental artery | <anatomy, artery> Distribution, chin; the terminal branch of the inferior alveolar; anastomoses, inferior labial artery. Synonym: arteria mentalis. (05 Mar 2000) |
| pericallosal artery | <anatomy, artery> The continuation of the anterior cerebral artery after the anterior communicating artery; it supplies branches to the cerebral cortex as it passes along the corpus callosum. Synonym: pars postcommunicalis arteria cerebri anterior, arteria pericallosa, postcommunical part of anterior cerebral artery. (05 Mar 2000) |
| pericardiacophrenic artery | <anatomy, artery> Origin, internal thoracic; distribution, pericardium, diaphragm, and pleura; anastomoses, musculophrenic, inferior phrenic, mediastinal and pericardial branches of the internal thoracic. Synonym: arteria pericardiacophrenica, arteria comes nervi phrenici. (05 Mar 2000) |
| perineal artery | <anatomy, artery> Origin, internal pudendal; distribution, superficial structures of the perineum; anastomoses, external pudendal arteries. Synonym: arteria perinealis. (05 Mar 2000) |
| 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) |
| 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) |