<prompt> Arial supply of the duodenum is bySuperior mesenteric aeryCeliac aeryInferior mesenteric aeryBoth superior mesenteric and celiac aeries  <response>: The superior and inferior pancreaticoduodenal aeries from the gastroduodenal aery and SMA respectively form an anastomotic loop between the celiac trunk and the SMA; so there is potential for collateral circulation here. The venous drainage of the duodenum follows the aeries. 