Right colic artery

The large intestine receives blood from two major arteries, the superior mesenteric artery (SMA) and the inferior mesenteric artery (IMA). The superior mesenteric artery emerges from behind the neck of the pancreas and branches into the right colic artery, the middle colic artery, and the ileocolic artery. The SMA system supplies blood to the right and upper portions of the large intestine as far as the splenic flexure, while the IMA system supplies the left and lower portions. The right colic and ileocolic arise from the same stem of the SMA and deliver blood to the ascending colon. The ileocolic also supplies the cecum and the veriform appendix. The right colic artery branches at the colon, forming a descending artery that joins with the ileocolic artery, and an ascending artery that joins with the middle colic artery. The right colic artery, middle colic artery, and ileocolic artery come together in a branching formation known as the marginal artery. This artery runs along the interior border of the colon, and is joined by branches from the left colic artery, which arises from the inferior mesenteric artery.
Written and medically reviewed by the Healthline Editorial Team
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In Depth: Right colic artery

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