portal hypertension

Medical Dictionary

portal hypertension n.
Hypertension in the portal system as seen in cirrhosis of the liver and other conditions causing obstruction to the portal vein.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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WordNet
portal hypertension

noun
increase in blood pressure in the veins of the portal system caused by obstruction in the liver (often associated with alcoholic cirrhosis), causing enlargement of the spleen and collateral veins 
WordNet® 3.0, © 2006 by Princeton University.
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