In medicine, portal hypertension is hypertension (high blood pressure) in the portal vein system, which is composed by the portal vein, and its branches and tributaries.
It is often defined as a portal pressure gradient (the difference in pressure between the portal vein and the hepatic veins) of 10 mmHg or greater.
Read more about Portal Hypertension: Causes, Signs and Symptoms, Diagnostics
Famous quotes containing the word portal:
“Little scavenger away,
touch not the door,
beat not the portal down.”
—Hilda Doolittle (18861961)