portal vein

noun

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

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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The first known use of portal vein was in 1765

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portal vein

noun

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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