Relating to both an artery and a vein or to both arteries and veins in general; both arterial and venous, as an “AV anastomosis.”
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ar·te·rio·ve·nous är-.tir-ē-ō-'vē-nəs adj of, relating to, or connecting the arteries and veins <\arteriovenous anastomoses>
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ar·te·rio·ve·nous (ahr-tēr″e-o-veґnəs) both arterial and venous; pertaining to or affecting an artery and a vein.Medical dictionary. 2011.