left gastric vein left·gast·ric·vein uncommon noun 1. arises from a union of veins from the gastric cardia; runs in the lesser omentum; empties into the portal vein Synonymsleft gastric veinvena gastrica sinistra Related words Broader terms gastric vein WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
