arteriovenous aneurysm


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arteriovenous aneurysm

[är‚tir·ē·ō′vē·nəs ′an·yə‚riz·əm]
(medicine)
Dilation of the walls of an artery and a vein via an abnormal canal (fistula) between the vessels.
Dilation of an arteriovenous fistula.