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.
Synonym(s): arteria rectalis superior [TA], superior hemorrhoidal artery
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
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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%)
Treatment of nonvariceal gastrointestinal hemorrhage by transcatheter embolization
Double ligation was conducted at the superior rectal artery root and the root of the inferior mesenteric artery was not ligated regularly.
Prevention of anastomotic fistula formation after low-position Dixon Operation

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