Definition of Psa

Noun: PSA

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

See also:
PS
Psalm

Anagrams containing the word psa

pas aps sap