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Meaning of word psa from English dictionary with examples, synonyms and antonyms.

psa   noun

Meaning : 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 : prostate specific antigen