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portal circulation
(redirected from Portal venous system)

   Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia 0.01 sec.
portal circulation [′pȯrd·əl ‚sər·kyə′lā·shən]
(physiology)
The passage of venous blood through a portal system.


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They penetrate intact human skin and enter capillaries and then migrate to the portal venous system where they mature and unite.
Upon receipt of a verbal report from the radiologist that the CT scan showed extensive pneumatosis, small bowel ileus, air in the portal venous system and mild hydronephrosis, Dr.
Duplex ultrasound of the abdomen demonstrated a patent hepatic and portal venous system, mild splenomegaly and splanchnic vasodilatation, suggesting portal hypertension.
 
 
 
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