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portal vein
(redirected from portal veins)

   Also found in: Dictionary/thesaurus, Medical 0.01 sec.
portal vein [′pȯrd·əl ‚vān]
(anatomy)
Any vein that terminates in a network of capillaries.


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Portal venography demonstrated patency of the hepatic and portal veins and esophageal varices; pressure measurements revealed a mildly elevated hepatic vein pressure of 20 mm and markedly increased hepatic portal vein pressure gradient of more than 40 mm (reference range, [is less than] 12 mm).
In this band there was no fibrous septation; a few arteries were unaccompanied by ducts or portal veins.
 
 
 
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