part of part of tributary of tributary of vessel drains blood from abdomen head of pancreas superior mesenteric vein duodenum superior pancreaticoduodenal vein vein of abdomen anterior superior pancreaticoduodenal vein 2025-05-14T14:34:54Z A vein that joins the gastrocolic trunk, draining into the superior mesenteric vein. It drains the ventral surface of the distal first and second portion of the duodenum and the ventral surface of the pancreatic head.