- portal-systemic anastomosis
- portosystemic anastomosis 1. a naturally occurring anastomosis between the portal and systemic venous circulations. 2. see under shunt.
Medical dictionary. 2011.
Medical dictionary. 2011.
Anastomosis — The connection of normally separate parts or spaces so they intercommunicate. An anastomosis may be naturally occurring or artificially constructed and be created during the process of embryonic development or by surgery, trauma or pathological… … Medical dictionary
Portacaval anastomosis — A portacaval anastomosis (also known as portal systemic anastomosis ) is a specific type of anastomosis that occurs between the veins of portal circulation and those of systemic circulation.Specific types include: It can be one of the conditions… … Wikipedia
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
Anastomosis — Vein skeleton of a Hydrangea leaf An anastomosis (plural anastomoses, from gr. ἀναστόμωσις, communicating opening) is the reconnection of two streams that previously branched out, such as blood vessels or leaf veins. The term is used in medicine … Wikipedia
portal hypertension — a state in which the pressure within the hepatic portal vein is increased, causing enlargement of the spleen, enlargement of veins in the oesophagus (gullet) (which may rupture to cause severe bleeding), and accumulation of fluid in the… … The new mediacal dictionary
Circulatory anastomosis — A circulatory anastomosis is a connection (an anastomosis) between two blood vessels, such as between arteries (arterio arterial anastomosis), between veins (veno venous anastomosis) or between an artery and a vein (arterio venous anastomosis).… … Wikipedia
Hepatic portal vein — Vein: Hepatic portal vein The portal vein and its tributaries. It is formed by the superior mesenteric vein and splenic vein. Leinal vein is an old term for splenic vein. Latin … Wikipedia
Liver — For other uses, see Liver (disambiguation). Liver Liver of a sheep: (1) right lobe, (2) left lobe, (3) caudate lobe, (4) quadrate lobe, (5) hepatic artery and portal vein, (6) hepatic lymph nodes, (7) gall bladder … Wikipedia
Caput medusae — Infobox Disease Name = Caput medusae Caption = DiseasesDB = ICD10 = ICD10|I|86|8|i|80 (ILDS I86.820) ICD9 = ICD9|456.8 ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = Caput medusae is the appearance of distended and engorged … Wikipedia
Shunt — 1) To move a body fluid, such as cerebrospinal fluid, from one place to another. 2) A catheter (tube) that carries cerebrospinal fluid from a ventricle in the brain to another area of the body. A shunt may be placed to relieve pressure from… … Medical dictionary