Dictionary » A » Anastomosis



noun, plural: anastomoses

(1) Interconnection between parts of a branching system forming a network, as in leaf anastomosis.

(2) Cross-connection between blood vessels or between tubular structures.

(3) The surgical creation intubular structures to form a connecting passage between these structures.


In circulatory anastomosis, there is a direct connection between arteries, veins, venules, and arterioles without any intervening capillaries.

In surgical anastomosis such as intestinal anastomosis, a segment of intestine is resected and the two remaining ends are sewn or stapled together (anastomosed), for example Roux-en-Y anastomosis.

Word origin: Late Latin anastomōsis, from Greek, outlet, from anastomoun, to furnish with a mouth : ana- + stoma, mouth.

Related forms: anastomotic (adjective).
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hepatic portal vein

... with splenomegaly, ascites, GI bleeding and/or portal systemic encephalopathy. The consequences of portal hypertension are due to portal systemic anastomosis formed by the body as an attempt to bypass the obstructed liver circulation. These collateral vessels form along the falciform ligament, ...

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by dipjyoti
Sun Oct 15, 2006 5:15 am
Forum: Human Biology
Topic: hepatic portal vein
Replies: 11
Views: 12664

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