left gastroepiploic artery left gastroepiploic artery the left gastroepiploic artery (or left gastro-omental artery), the largest branch of the splenic artery, runs from left to right about a finger's breadth or more from the greater curvature of the stomach, between the layers of the greater omentum, and anastomoses with the right gastroepiploic (a branch of the right gastro-duodenal artery originating from the hepatic branch of the coeliac trunk). left gastroepiploic arterythe celiac artery and its branches; the liver has been raised, and the lesser omentum and anterior layer of the greater omentum removed. (left gastroepiploic artery visible at lower right.)right and left gastroomental is at #4.detailssourcesplenic arteryveinleft gastroepiploic veinsuppliesgreater curvature of the stomachidentifierslatinarteria gastroomentalis sinistra, arteria gastroepiploica sinistrata98a12.2.12.047ta24248fma14796anatomical terminology in its course it distributes: "gastric branches": several ascending branches to both surfaces of the stomach; "omental branches": descend to supply the greater omentum and anastomose with branches of the middle colic. additional images blood supply to the stomach: left and right gastric artery, left and right gastro-omental artery and short gastric artery. branches of the celiac artery.