This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen and pelvis, Subject name: Anatomy
Arial supply of the duodenum is by 
Select and explain. 
A. Superior mesenteric aery, B. Celiac aery, C. Inferior mesenteric aery, D. Both superior mesenteric and celiac aeries
D: Both superior mesenteric and celiac aeries
Answer: D: Both superior mesenteric and celiac aeries 
Explanation: 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. <img src=" /> Ref - BDC 6e vol2 pg 263