middle rectal artery

(redirected from arteria rectalis media)
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mid·dle rec·tal ar·ter·y

[TA]
origin, internal iliac; distribution, middle portion of rectum; anastomoses, inferior rectal and superior rectal. Because the latter is a tributary of the portal system, this is a portosystemic or portocaval anastomosis.

mid·dle rec·tal ar·te·ry

(mid'ĕl rek'tăl ahr'tĕr-ē) [TA]
Origin, internal iliac; distribution, middle portion of rectum; anastomoses, inferior rectal and superior rectal.
Synonym(s): arteria rectalis media, middle hemorrhoidal artery.

middle rectal artery

A branch of the internal iliac artery or the inferior vesical artery; it supplies blood to the lower rectum and upper anal canal.
See also: artery
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