Dictionary > Portacaval anastomoses

Portacaval anastomoses

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Definition
noun
A type of anastomoses which occurs between the veins of portal circulation and veins of systemic circulation.
Supplement
Examples of this are: esophageal varices, haemorrhoids, and caput medusae.
These anastomoses are clinically important in providing collateral circulation, especially during portal circulation obstruction or portal hypertension.
Synonyms: