title: Re-evaluation of the colic irrigation from the superior mesenteric artery.
abstract: 156 abdominal preparations were explored by arteriography, corrosion and dissection. The ileocolic artery is the most constant collateral of the superior mesenteric artery. It provides a ramus colicus which is often confused with a true arteria colica dextra. The a. colica dextra, arising on the superior mesenteric artery, is found in only 13% of the abdominal preparations. The PNA 'a. colica media' covers a system of individually varying vessels: a. colica media, common stem of r. anguli coli and r. coli transversi; a. anguli coli, a. coli transversi; a. colica sinistra accessoria and a. coli transversi accessoria. Both mesenteric arteries may be linked by a intermesenteric arch (12%).
mesh_terms: D003106:Colon / Q000098:blood supply*; D006801:Humans; D007082:Ileum / Q000098:blood supply; D008638:Mesenteric Arteries / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D011859:Radiography; D012039:Regional Blood Flow