portal system

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Related to portal system: Hepatic portal system, renal portal system

portal system

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

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]

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Noun

portal system - system of veins that carry blood from the abdominal organs to the liver

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

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