What blood vessel supplies the head of the pancreas, the duodenum and the stomach?

Branches-abdom.aorta: Coeliac artery is the brach from front of abdominal aorta beginning at t12, L1 spine level and its 3 branches -left gastric artery, common hepatic artery and spenic artery give the main arterial supply as branches to pancreas, duodenum and stomach -major part.Part of the duodenum , stomach and pancreas are also supplied by superior mesenteric artery , which is a separate branch of abdominal aorta.