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.

Synonyms: Anastomosis, Arteriovenous, Arteriovenous Anastomosis, Anastomose, Arteriovenous, Arteriovenous Anastomose, Anastomoses, Arteriovenous, Arteriovenous Anastomoses