portal system
noun Anatomy.
a vascular arrangement in which blood from the capillaries of one organ is transported to the capillaries of another organ by a connecting vein or veins.
(loosely) the hepatoportal system.
Origin of portal system
First recorded in 1850–55
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
portal system
n.
The American Heritage® Stedman's Medical Dictionary
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