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The appendicular artery, also known as appendiceal artery, commonly arises from the terminal branch of the 
ileocolic artery
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 ...
, or less commonly from the posterior cecal artery
The posterior cecal artery (or posterior caecal artery) is a branch of the ileocolic artery
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 per ...
or an ileal artery
The ileal arteries are branches of the superior mesenteric artery which supply blood to the ileum
The ileum () is the final section of the small intestine in most higher vertebrates, including mammals, reptiles, and birds. In fish, the divis ...
. It descends behind the termination of the ileum
The ileum () is the final section of the small intestine in most higher vertebrates, including mammals, reptiles, and birds. In fish, the divisions of the small intestine are not as clear and the terms posterior intestine or distal intestine ma ...
and enters the mesoappendix
The mesentery is an organ that attaches the intestines to the posterior abdominal wall in humans and is formed by the double fold of peritoneum. It helps in storing fat and allowing blood vessels, lymphatics, and nerves to supply the intestin ...
of the vermiform appendix
The appendix (or vermiform appendix; also cecal r caecalappendix; vermix; or vermiform process) is a finger-like, blind-ended tube connected to the cecum, from which it develops in the embryo. The cecum is a pouch-like structure of the large i ...
. It runs near the free margin of the mesoappendix and ends in branches which supply the appendix.
External links
* - "Branches of Superior Mesenteric Artery"References
Arteries of the abdomen {{circulatory-stub