Overview Celiac trunk originates from the abdominal aorta at the level of the aortic hiatus (T12) branches of celiac trunk comprise main blood supply of stomach common hepatic artery splenic artery supplies the spleen and is the source of bleeding with splenic injury spleen is most commonly injured organ after blunt trauma can result in hemodynamic instability left gastric artery branches of the left gastric artery supply the abdominal esophagus Anastomoses short gastric arteries branches of splenic artery that supply fundus of stomach anastomose poorly if splenic artery blocked gastroepiploic arteries left gastroepiploic artery is a branch of splenic artery right gastroepiploic artery is a branch of gastroduodenal artery both run along and supply greater curvature of stomach and anastomose strongly gastric arteries left gastric artery is a branch of celiac trunk right gastric artery is a branch of hepatic artery proper both run along and supply lesser curvature of stomach and anastomose strongly