1. The inferior pancreaticoduodenal artery is a branch of the superior mesenteric artery . 2. Both the inferior mesenteric arteries arise from the abdominal aorta. 3. Superior mesenteric artery syndrome is a rare abnormality caused by a congenitally-short suspensory muscle. 4. The superior mesenteric plexus includes the superior mesenteric ganglia and is located around the superior mesenteric artery . 5. The inferior mesenteric plexus includes the inferior mesenteric ganglia and is located around the inferior mesenteric artery . 6. These branches form functional anastomoses with the anterior and posterior inferior pancreaticoduodenal arteries from the superior mesenteric artery . 7. The superior mesenteric artery lies to the left of the similarly named vein, the superior mesenteric vein. 8. In adults, the " whirlpool sign " of the superior mesenteric artery can be useful in identifying malrotation. 9. This artery is completed by branches of the left colic which is a branch of the inferior mesenteric artery . 10. The ileocolic artery of the superior mesenteric artery branches off into the ascending colic artery, the ileal branches.
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