portal vein


Definition of portal vein

: a vein that collects blood from one part of the body and distributes it in another through capillaries especially : a vein carrying blood from the digestive organs and spleen to the liver

Examples of portal vein in a Sentence

Recent Examples on the Web The portal vein is the blood vessel that carries blood from your gastrointestinal tract, gallbladder, pancreas, and spleen to your liver. Bruce Y. Lee, Forbes, 29 Sep. 2021 The couple learned scar tissue from the 2007 transplant surgery completely closed off Hanks’ portal vein (the vessel that drains blood from the gastrointestinal tract and spleen to the liver). Darcel Rockett, chicagotribune.com, 23 Aug. 2021 The portal vein brings venous blood to the liver, while this artery brings oxygenated arterial blood. Hannah Yasharoff, USA TODAY, 29 May 2019 First, the glucose molecules travel from the small intestine to the liver via the portal vein, Linsenmeyer explains. Carolyn L. Todd, SELF, 23 May 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'portal vein.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of portal vein

1765, in the meaning defined above

History and Etymology for portal vein

portal entry 2

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Time Traveler for portal vein

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The first known use of portal vein was in 1765

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Cite this Entry

“Portal vein.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/portal%20vein. Accessed 20 Jan. 2022.

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More Definitions for portal vein

portal vein


Medical Definition of portal vein

: a large vein that is formed by fusion of other veins, that terminates in a capillary network, and that delivers blood to some area of the body other than the heart especially : hepatic portal vein

More from Merriam-Webster on portal vein

Britannica.com: Encyclopedia article about portal vein


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