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portal vein

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noun Anatomy.
the large vein conveying blood to the liver from the veins of the stomach, intestine, spleen, and pancreas.
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Origin of portal vein

First recorded in 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use portal vein in a sentence

British Dictionary definitions for portal vein

portal vein

noun
any vein connecting two capillary networks, esp in the liver (hepatic portal vein)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for portal vein

portal vein

n.
A wide short vein that is formed by the superior mesenteric and splenic veins behind the pancreas, ascends in front of the inferior vena cava, and divides into right and left branches that ramify within the liver.hepatic portal vein
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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