Synonyms for PSA (same or very similar meaning)
WordNet sense 1 (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
From the ODE community, based on WordNet
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