n.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
ABBREVIATION for
prostatic specific antigen: an enzyme secreted by the prostate gland, increased levels of which are found in the blood of patients with cancer of the prostate 前列腺特异性抗原