Arteriovenous anastomosis
arteriovenous anastomosis
arteriovenous anastomosis n.
A vessel that shunts blood from an artery to a vein in order to bypass a capillary.
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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.
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arteriovenous oxygen difference arteriovenous oxygen difference n. The difference in the oxygen content, in milliliters per 100 milliliters blood, between arterial and venous blood.
- Arteriovenous shunt
arteriovenous shunt arteriovenous shunt n. The passage of blood directly from arteries to veins, without going through the capillary network.