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Dictionary


por'tal sys"tem



Anat.
1. 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.
2. (loosely) the hepatoportal system.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

portal circulationportal-to-portal pay
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