Search Result：psa
psa 
(TTS Sound)
(TTS Sound)Overview of noun psa
The noun psa has 1 sense
- prostate specific antigen, PSA -- (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)