what does a prostate
For the female prostate gland, see Skene's gland. For the prostrate body position, see Prostration. The prostate (from Ancient Greek ÏÏÎ¿ÏÏÎ¬ÏÎ·Ï, prostates, literally one who stands before, protector, guardian) is a compound tubuloalveolar exocrine gland of the male reproductive system in most mammals. It differs considerably among species anatomically, chemically, and physiologically.