NIH MeSH · D001163Anatomy

Arteriovenous Anastomosis

Also known asAnastomoses, Arteriovenous · Anastomosis, Arteriovenous · Arteriovenous Anastomoses · Anastomose, Arteriovenous · Arteriovenous Anastomose

Definition

A vessel that directly interconnects an artery and a vein, and that acts as a shunt to bypass the CAPILLARY BEDS. Not to be confused with SURGICAL ANASTOMOSIS or ARTERIOVENOUS FISTULA.

MeSH classification

A07.015.461.085

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Related concepts

Arterioles

The smallest divisions of the arteries located between the muscular arteries and the capillaries.

Source: NIH MeSH 2026 (D001163) — National Library of Medicine, public domain. View official MeSH record ↗