The ileocolic artery is the lowest branch arising from the concavity of the superior mesenteric artery.
The superior mesenteric artery and its branches. (Ileocolic artery not labeled, but visible at bottom left.)
|Source||superior mesenteric artery|
anterior cecal artery
posterior cecal 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 gives rise to the appendicular artery and anastomoses with the end of the superior mesenteric artery, the superior with the right colic artery. Supplies the cecum, ileum, and appendix.
The inferior branch of the ileocolic runs toward the upper border of the ileocolic junction and supplies the following branches:
- colic branch of ileocolic artery, which passes upward on the ascending colon - from the posterior branch of the inferior branch of the ileocolic artery
- ileocecal (some sources acknowledge this division while others do not)
- sup&infmesentericart at The Anatomy Lesson by Wesley Norman (Georgetown University)
- Anatomy photo:39:03-0109 at the SUNY Downstate Medical Center - "Intestines and Pancreas: Branches of Superior Mesenteric Artery"
- Anatomy image:8581 at the SUNY Downstate Medical Center
- Anatomy image:8629 at the SUNY Downstate Medical Center
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