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
Words nearby portal vein
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for portal vein
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
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.