portal-vein

portal vein

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

Origin:
1835–45

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Collins
World English Dictionary
portal vein
 
n
any vein connecting two capillary networks, esp in the liver (hepatic portal vein)

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

portal vein n.
A wide short vein that is formed by the superior mesenteric and splenic veins behind the pancreas, ascends in front of the inferior vena cava, and divides into right and left branches that ramify within the liver. Also called hepatic portal vein.

The American Heritage® Stedman's Medical Dictionary
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