portal system
Also found in: Thesaurus, Medical, Financial, Encyclopedia, Wikipedia.
Related to portal system: Hepatic portal system, renal portal system
portal system
n.
A system of veins that begins and ends with a capillary network.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
por′tal sys`tem
n.
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.
[1850–55]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Switch to new thesaurus
Noun | 1. | ![]() hepatic portal vein, portal vein, vena portae, portal - a short vein that carries blood into the liver vascular system - the vessels and tissue that carry or circulate fluids such as blood or lymph or sap through the body of an animal or plant |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.