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portal vein

American  

noun

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


portal vein British  

noun

  1. 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

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.

Samples were taken from the hepatic portal vein, which carries blood from the intestine to the liver, and from peripheral blood, which travels from the liver to the heart before circulating through the body.

From Science Daily

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

Instead, it was the portal veins of the liver — vessels that carry that blood from around the intestine to the filtering organ — whose isolation silenced the messages back to the brain.

From New York Times

Imaging showed that she had a blocked right middle cerebral artery with brain infarction and clots in the right portal vein.

From Washington Times

Complications a month later saw her given two more units of blood and the following year she required emergency surgery on her liver and 30 units of blood after her portal vein was punctured.

From BBC