Arteries of stomach Left and rightgastric arteries Arise from celiac trunk and proper hepatic artery, respectively. These two vessels run in lesser omentum along lesser curvature.and anastomose encArteries of stomach  Left and right gastric arteries  Arise from celiac trunk and proper hepatic artery, respectively.  These two vessels run in lesser omentum along lesser curvature , and anastomose end-to-end