arteriovenous fistula

Medical Dictionary

arteriovenous fistula n.
An abnormal communication between an artery and a vein, usually resulting in the formation of an arteriovenous aneurysm.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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