| prostate specific antigen: a protein, produced by the prostate, elevated levels of which may indicate the presence of cancer. |
| Psalm; Psalms. |
| pros·tate-spe·cif·ic antigen (prŏs'tāt'spĭ-sĭf'ĭk) n. Abbr. PSA A protease secreted by the epithelial cells of the prostate gland. Serum levels are elevated in patients with benign prostatic hyperplasia and prostate cancer and are used as a screening test for prostate cancer. |
| PSA abbr.
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| PSA
Abbreviation of prostatic-specific antigen |
PSA
Problem Statement Analizer. See PSL/PSA.
PSA
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