left gastroepiploic vein left gastroepiploic vein the left gastroepiploic vein (left gastro-omental vein) receives branches from the antero-superior and postero-inferior surfaces of the stomach and from the greater omentum; it runs from right to left along the greater curvature of the stomach and ends in the commencement of the splenic vein. left gastroepiploic veindetailsdrains tosplenic veinarteryleft gastro-omental arteryidentifierslatinvena gastroomentalis sinistra, vena gastroepiploica sinistrata98a12.3.12.031ta25126fma15390anatomical terminology the splenic vein and superior mesenteric vein join to form the hepatic portal vein.