Medical dictionary. 2011.
portal vein — noun a short vein that carries blood into the liver • Syn: ↑hepatic portal vein, ↑portal, ↑vena portae • Hypernyms: ↑vein, ↑vena, ↑venous blood vessel • Part Holonyms: ↑ … Useful english dictionary
portal system — noun system of veins that carry blood from the abdominal organs to the liver • Hypernyms: ↑vascular system • Part Meronyms: ↑portal vein, ↑hepatic portal vein, ↑portal, ↑vena portae … Useful english dictionary
Portal vein — can refer to: *the hepatic portal vein, a large vein that carries blood from the digestive tract to the liver and is formed by the splenic vein and superior mesenteric vein *a vein that is part of a portal venous system and connects two systems… … Wikipedia
portal system — n a system of veins that begins and ends in capillaries see HEPATIC PORTAL SYSTEM, PITUITARY PORTAL SYSTEM * * * a vein or group of veins that terminates at both ends in a capillary bed. The best known is the hepatic portal system, which consists … Medical dictionary
portal hypertension — n hypertension in the hepatic portal system caused by venous obstruction or occlusion that produces splenomegaly and ascites in its later stages * * * a state in which the pressure within the hepatic portal vein is increased, causing enlargement… … Medical dictionary
Portal hypertensive gastropathy — Classification and external resources Image of portal hypertensive gastropathy seen on endoscopy of the stomach. The normally smooth mucosa of the stomach has developed a mosaic like appearance, that resembles snake skin … Wikipedia
Portal — primarily refers to: * Portal (architecture), a gate, door, or tunnel. * Portal (fiction), a magical or technological doorway that connects two distant locationsPortal may also refer to:Computing* Enterprise portal, a framework to provide a… … Wikipedia
Portal vein thrombosis — is a form of venous thrombosis affecting the hepatic portal vein, which can lead to portal hypertension and reduction in the blood supply to the liver.CausesCauses can include pancreatitis, cirrhosis, diverticulitis, and… … Wikipedia
Portal venous pressure — is the blood pressure in the portal vein. It is normally 5 10 mm Hg [ [http://www.emedicine.com/med/byname/esophageal varices.htm eMedicine Esophageal Varices : Article Excerpt by: Samy A Azer ...] ] .An elevated pressure may cause portal… … Wikipedia
Portal — Por tal, a. (Anat.) Of or pertaining to a porta, especially the porta of the liver; as, the portal vein, which enters the liver at the porta, and divides into capillaries after the manner of an artery. [1913 Webster] Note: Portal is applied to… … The Collaborative International Dictionary of English
