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.
- Arteriovenous oxygen difference
arteriovenous oxygen difference arteriovenous oxygen difference n. The difference in the oxygen content, in milliliters per 100 milliliters blood, between arterial and venous blood.