superior rectal artery


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su·pe·ri·or rec·tal ar·ter·y

[TA]
origin, inferior mesenteric; distribution, upper part of rectum; anastomoses, middle and inferior rectal.
Farlex Partner Medical Dictionary © Farlex 2012

su·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.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

superior rectal artery

The terminal branch of the inferior mesenteric artery; it supplies blood to the upper rectum.
See also: artery
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Characteristics Results Technical success 112 (98%) Site Upper GI hemorrhage 47 (41%) Lower GI hemorrhage 67 (59%) Embolization Proximal (selective) 21 (19%) Distal (superselective) 91 (81%) Arteries embolized Gastroduodenal artery 36 (32%) Ileocolic artery 28 (25%) Right colic artery 12 (11%) Jejunal branches of SMA 10 (8.9%) Left gastric artery 09 (8.0%) Superior rectal artery 07 (6.2%) Ileal branches of SMA 05 (4.4%) Left colic artery 04 (3.6%) Middle colic artery 01 (0.9%) Embolization material Microcoils 69 (62%) PVA particles 33 (29%) PVA with microcoils 09 (8.0%) Gel foam 01 (0.9%)
Double ligation was conducted at the superior rectal artery root and the root of the inferior mesenteric artery was not ligated regularly.

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