释义 |
DictionarySeearterysuperior rectal artery
su·pe·ri·or rec·tal ar·ter·y [TA] origin, inferior mesenteric; distribution, upper part of rectum; anastomoses, middle and inferior rectal. Synonym(s): arteria rectalis superior [TA], superior hemorrhoidal arterysu·pe·ri·or rec·tal ar·te·ry (sŭ-pēr'ē-ŏr rek'tăl ahr'tĕr-ē) [TA] Origin, inferior mesenteric; distribution, upper part of rectum; anastomoses, middle and inferior rectal. As a tributary of the portal vein, its anastomosis with these arteries forms a portosystemic or portocaval anastomosis. Synonym(s): arteria rectalis superior, superior hemorrhoidal artery. superior rectal arteryThe terminal branch of the inferior mesenteric artery; it supplies blood to the upper rectum.See also: artery |