单词 | portal system |
释义 | portal systemnoun 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 systemFirst recorded in 1850–55 Words nearby portal systemportal cirrhosis, portal fissure, portal frame, portal hypertension, portal lobule of liver, portal system, portal-systemic encephalopathy, portal-to-portal, portal-to-portal pay, portal vein, portamento Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Medical definitions for portal systemportal system n.A system of vessels in which blood, after passing through one capillary bed, is conveyed through a second capillary network. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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