• (vein, portal) A vein lying in the lower part of the abdomen; in general it arises from the junction of the mesenteric and splenic veins and draining into the liver.
  CDISC Terminology
  Clinical Data Interchange Standards Consortium (CDISC), 2021
• A blood vessel that carries blood to the liver from the stomach, small and large intestines, spleen, pancreas, and gallbladder.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021
• A short thick trunk vein that transports blood containing the absorbed products of digestion from the intestine directly to the liver.
  NCI
  U.S. National Cancer Institute, 2021
• A short thick vein formed by union of the superior mesenteric vein and the splenic vein.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2025
• Short thick vein formed by union of the superior mesenteric vein and the splenic vein; enters the liver at the hepatic portal.
  CRISP Thesaurus
  National Institutes of Health, 2006
• (hepatic portal vein) Portal vein, each instance of which is the confluence of some superior mesenteric and splenic veins behind the neck of aome pancrea; it carries blood from some gastro-intestinal tract, pancreas, spleen and gallbladder to some liver.
  Foundational Model of Anatomy
  University of Washington, 2017
• (hepatic portal vein) Vein in the portal venous system.
  Foundational Model of Anatomy
  University of Washington, 2017
• Portal vein, large vein through which oxygen-depleted blood from the stomach, the intestines, the spleen, the gallbladder, and the pancreas flows to the liver. The principal tributaries to the portal vein are the lienal vein, with blood from the stomach, the greater omentum (a curtain of membrane...
  Encyclopedia Britannica
  Encyclopedia Britannica, Inc., 2025