Superior Mesenteric Artery
Arises from the Anterior surface of the Abdominal Aorta 1 cm inferior to the Celiac Trunk. Level of the L1 Vertebra. Starts Posterior to the Pancreas, then passes Anterior the Pancreas, third part of the Duodenum, and Left Renal Vein. Upon entering the mesentery of the small intestine, follows path of jejunum and ileum.