portal vein
Americannoun
noun
Etymology
Origin of portal vein
First recorded in 1835–45
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
This contrast suggests that genetic background plays a central role in shaping which metabolites appear in the hepatic portal vein.
From Science Daily ● Dec. 14, 2025
The liver and intestines are directly connected via the portal vein, a blood vessel that transports nutrients absorbed in the intestines directly to the liver.
From Science Daily ● Apr. 25, 2024
Osaka University researchers discovered liver resident macrophages' pivotal role in defending against gut bacteria and related substances entering via the portal vein, particularly under compromised intestinal barrier conditions.
From Science Daily ● Apr. 25, 2024
The hepatic portal vein delivers partially deoxygenated blood containing nutrients absorbed from the small intestine and actually supplies more oxygen to the liver than do the much smaller hepatic arteries.
From Textbooks ● Jun. 19, 2013
I looked into his mind, and saw that he was afraid of cutting a branch of the portal vein.
From The Country of the Blind, and Other Stories by H. G. (Herbert George) Wells
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
