portal system
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
1Words Nearby portal system
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use portal system in a sentence
There is no renal portal system, excepting unimportant vestiges of such a system in the head kidneys.
Owing to the development of the common iliac veins there is no renal portal system like that of the Reptilia and Amphibia.
The Works of Francis Maitland Balfour, Volume III (of 4) | Francis Maitland BalfourThe peptones and sugar pass by osmosis into the blood-vessels of the portal system and thence to the liver.
An attempt at compensation for these evils growing out of the obstruction in the portal system is made by the natural powers.
From the portal system were absorbed, through the stomach and intestines, the products of digestion.
The Evolution of Modern Medicine | William Osler
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