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Normal Anatomy

Pancreatic artery, dorsal

most commonly arises from the proximal part of the splenic artery although it may originate from the common hepatic artery, superior mesenteric artery or coeliac axis. The vessel lies behind the junction of the splenic vein and superior mesenteric vein and supplies branches to the posterior surface of the pancreas. It gives off a single branch to the left, the transverse pancreatic artery, and two branches to the right which supply the pancreatic head, one of which communicates with branches of the anterior superior pancreaticoduodenal, gastroduodenal or the right gastroepiploic artery, and the other of which supplies the uncinate process of the pancreas. A fourth branch of the dorsal pancreatic artery will often descend and communicate with the superior mesenteric artery, middle colic or accessory middle colic artery. Rarely, a proximal jejunal artery will arise from the dorsal pancreatic artery. See blood vessels, pancreas (II), Fig. 3, blood vessels, pancreas (II), Fig. 4