The lungs, esophagus, stomach and duodenum (up to the ampulla of Vater) arise from the foregut. The pancreas, liver, bile ducts and gallbladder are formed from outbuds of the duodenum. The duodenum (distal to the ampulla of Vater), small and large bowel (to the distal third of the transverse colon) arise from the midgut. The distal third of the transverse colon to the anus arises from the hindgut. The celiac axis, superior mesenteric and inferior mesenteric arteries are the blood supply to the fore, mid and hindgut respectively.1
March 2000. Arch Surg. 2000;135(3):314. doi:10.1001/archsurg.135.3.314
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