Prostate-specific antigen (PSA) is a protein that is secreted by the cells of the prostate gland and is found in semen, the medium that carries sperm. PSA is the substance that liquefies semen, ...
Prostate specific antigen or PSA is one of the markers of prostate cancer. PSA is normally produced by the prostate gland and mixes with sperm to form semen. PSA helps make semen fluid, allowing sperm ...
What Is Prostate-Specific Antigen? Your prostate is a gland that makes seminal fluid, which nourishes and transports your sperm when you ejaculate. It's about the size of a walnut and surrounds your ...
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