acid phosphatase test for semen

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ac·id phos·pha·tase test for se·men

a screening test for semen that gauges acid phosphatase content; because seminal fluid contains high concentrations of acid phosphatase, whereas other body fluids and extraneous foreign materials have very low concentrations, high values of acid phosphatase on vaginal aspirate or lavage, or on wash fluid from stains, render positive identification of semen, even if the male is aspermic.
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