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
Words nearby portal system
Medical definitions for portal system
portal system
n.
A system of vessels in which blood, after passing through one capillary bed, is conveyed through a second capillary network.