• word of the day

    prostate specific antigen

    prostate specific antigen - Dictionary definition and meaning for word prostate specific antigen

    (noun) 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
    Synonyms : psa
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