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A type of anastomoses which occurs between the veins of portal circulation and veins of systemic circulation.
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.
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This page was last modified 08:53, 16 March 2010. This page has been accessed 7,039 times. What links here
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