prostate-specific antigen

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Definition of prostate-specific antigen in English English dictionary

prostate-specific antigen
(Medicine) substance secreted by the epithelial cells in the prostate (often tested as an indicator for prostate cancer), PSA
Prostate-Specific Antigen.
PSA
prostate specific antigen
a protein manufactured exclusively by the prostate gland; PSA is produced for the ejaculate where it liquifies the semen and allows sperm cells to swim freely; elevated levels of PSA in blood serum are associated with benign prostatic hyperplasia and prostate cancer
prostate-specific antigen
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