PORTAL

(redirected from portal vein)
Also found in: Dictionary, Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.
Related to portal vein: Portal vein thrombosis, Portal venous system

PORTAL

A trading platform operated by NASDAQ of closely-held companies and other companies for investment by extremely high net-worth individuals. This market is largely exempt from the requirements of the Sarbanes-Oxley Act. In 2007, the Portal Market required an individual to have a minimum net worth of $100 million to qualify to trade on it.

PORTAL

A NASD trading system for unregistered foreign and domestic securities.
References in periodicals archive ?
In our third case, the virtual marking for the target portal vein was anterior and superior to the expected location.
Techniques for implanting a chronic hepatic portal vein transonic flow meter and catheters in the hepatic portal vein, ileal mesenteric vein and carotid artery in swine.
We've measured lumen diameters of portal vein in it's broad segment, vena lienalis, hepatic veins 2-3 cm above the place of their confluence in the vena cava inferior.
In our study we have investigated the possible predictive value of certain ultrasound parameters of portal vein for the assessment of risk of bleeding oesophageal varices with liver cirrhosis and portal hypertension by comparing ultrasonographic and upper GI endoscopic findings.
Amoebic dysentery is the usual consequence of infection, and amoebic liver abscesses not uncommonly form as a result of haematogenous spread of parasite along the portal vein.
With type III, the site being infracardiac (15%), connection occurs to the portal vein, venous duct, or inferior vena cava below the diaphragm.
Urgent relaparotomy revealed an ischemic liver on the right, a transected common bile duct at the level of its confluence, a divided and ligated right hepatic artery and thrombosed portal vein down to its confluence.
After four hours in surgery they came out to tell us they couldn't operate as the cancer had spread to Victoria's portal vein.
Portal hypertension affects the blood flow into the portal vein, which feeds blood to the liver.
In a procedure called islet transplantation, physicians take islet cells from a cadaver and infuse them into the portal vein of a patient's liver, where the new cells start making insulin.
At the moment he has an enlarged spleen because of the FOP and a portal vein between the liver and spleen is blocked which is putting too much pressure on his spleen.