portal circulation

(redirected from Portal venous system)
Also found in: Dictionary, Thesaurus, Medical, Acronyms, Wikipedia.
Related to Portal venous system: portal hypertension, portal circulation

portal circulation

[′pȯrd·əl ‚sər·kyə′lā·shən]
(physiology)
The passage of venous blood through a portal system.
References in periodicals archive ?
Ultrasound demonstration of changes in the normal portal venous system following a meal.
Ultrasound is a readily available modality and the current study was carried out to assess the validity of colour doppler sonography in the evaluation of portal venous system.
Non-Hepatic Causes of Fluid Retention Heart failure and The heart loses its ability to pump blood; constrictive this causes a back up of blood and increased pericarditis pressure into the portal venous system, leading to portal hypertension (PH) and ascites (Huether, 2006a).
Digital subtraction angiography of the portal venous system.
Once the parasitic embryo passes through the intestinal wall to reach the portal venous system or lymphatic system, the liver acts as the first line of defense and is therefore the most frequently involved organ.