"H" is the peak radioactivity over the heart, and "P" the peak radioactivity over the liver. The cardioportal circulation time is measured between "H" and "P," and is about twenty-five seconds. "H" is ...

IN the course of chronic liver disease the development of portal hypertension and the subsequent formation of portal collateral circulation may permit certain nitrogen-containing substances in the ...

Increase in hepatic arterial flow in response to reduced portal flow (hepatic arterial buffer response) has been demonstrated experimentally and surgically. We provide pathologic evidence for hepatic ...

The portal venous system refers to the veins that drain blood from the intestines, stomach, pancreas, esophagus and spleen into the liver prior to entering the main or systemic circulation. All ...