prostate-specific antigen
prostate–specific antigen
nounDefinition of PROSTATE-SPECIFIC ANTIGEN
: a protease secreted by epithelial cells of the prostate gland that is used in the diagnosis of prostate cancer since its concentration in blood serum tends to be proportional to the clinical stage of the disease —abbreviation PSA
First Known Use of PROSTATE-SPECIFIC ANTIGEN
1981
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