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

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.