Ileocolic artery

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Artery: Ileocolic artery
Arteries of cecum and vermiform process. (Terminal part of Ileocolic labeled at upper right.)
The superior mesenteric artery and its branches. (Ileocolic artery not labeled, but visible at bottom left.)
Latin arteria ileocolica
Gray's subject #154 607
Source superior mesenteric artery   
Branches appendicular artery
anterior cecal artery
posterior cecal artery
Vein ileocolic vein
/ Elsevier
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The Ileocolic Artery is the lowest branch arising from the concavity of the superior mesenteric artery.

It passes downward and to the right behind the peritoneum toward the right iliac fossa, where it divides into a superior and an inferior branch; the inferior anastomoses with the end of the superior mesenteric artery, the superior with the right colic artery.


The inferior branch of the ileocolic runs toward the upper border of the ileocolic junction and supplies the following branches:

  • colic, which pass upward on the ascending colon
  • iliocecal (some sources acknowledge this division [1] while others do not)
    • anterior and posterior cecal, which are distributed to the front and back of the cecum
    • ileal, which run upward and to the left on the lower part of the ileum, and anastomose with the termination of the superior mesenteric
    • an appendicular artery

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.