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