superior rectal artery

(redirected from Superior hemorrhoidal)

su·pe·ri·or rec·tal ar·ter·y

[TA]
origin, inferior mesenteric; distribution, upper part of rectum; anastomoses, middle and inferior rectal.

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.

superior rectal artery

The terminal branch of the inferior mesenteric artery; it supplies blood to the upper rectum.
See also: artery
References in periodicals archive ?
The excision interrupts blood flow from the branches of the superior hemorrhoidal artery thereby reducing vascular congestion.
This maneuver supposedly interrupts the blood supply of the superior hemorrhoidal artery above the hemorrhoidal tissue.

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