rectal artery


n.

An artery with its origin in the internal pudendal artery, with distribution to the anal canal, the muscles and skin of the anal region, and the skin of the buttocks; inferior rectal artery.
An artery with its origin in the internal iliac artery, with distribution to the middle portion of the rectum; middle rectal artery.
An artery with its origin in the inferior mesenteric artery, with distribution to the upper part of the rectum; superior rectal artery.

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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.