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arteriovenous oxygen d.
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the difference in the oxygen content of blood between the arterial and venous systems, usually expressed in mL/L of blood.
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arteriovenous pulmonary a.
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pulmonary arteriovenous fistula.
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arteriovenous s.
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1. direct passage of blood from an artery to a vein. 2. a U-shaped plastic tube inserted between an artery and a vein (usually between the radial artery and cephalic vein), bypassing the capillary network, a formerly common means of arteriovenous access. Click here to view image■Arteriovenous shunt.
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arterio´lae rec´tae re´nis
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[TA] straight arterioles of kidney: branches of the arcuate arteries of the kidney arising from the efferent glomerular arterioles and passing down to the renal pyramids; called also straight arteries of kidney and vasa recta renis [TA alternative]. Also sometimes called arteriolae rectae spuriae or false straight arterioles of the kidney to distinguish them from straight direct branches from the arcuate and interlobular arteries that are called arteriolae rectae verae or true straight arterioles of the kidney.
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arterio´lae rec´tae spu´riae
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see arteriolae rectae renis.
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