of or relating to an artery and a vein; having characteristics of both arteries and veins.
of, relating to, or affecting an artery and a vein
arteriovenous ar·te·ri·o·ve·nous (är-tēr’ē-ō-vē’nəs)
Abbr. AV Of, relating to, or connecting arteries and veins.
- Arteriovenous anastomosis
arteriovenous anastomosis arteriovenous anastomosis n. A vessel that shunts blood from an artery to a vein in order to bypass a capillary.
- Arteriovenous aneurysm
arteriovenous aneurysm arteriovenous aneurysm n. A dilated connection between an artery and a vein that allows blood to flow from the artery into the vein.
- Arteriovenous fistula
arteriovenous fistula arteriovenous fistula n. An abnormal communication between an artery and a vein, usually resulting in the formation of an arteriovenous aneurysm.
- Arteriovenous nicking
arteriovenous nicking arteriovenous nicking n. A constriction of a vein in the retina of the eye at an artery-vein crossing.