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portal vein

noun

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


portal vein

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


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Word History and Origins

Origin of portal vein1

First recorded in 1835–45

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