prostate specific antigen

Noun prostate specific antigen has 1 sense

• prostate specific antigen(n = noun.substance) 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;
is a kind of protein