EnglishThe prostate is an exocrine male gland that produces seminal fluid. It constitutes a crossroads between the urinary and genital tract of the man at which the urethral canal allowing the emission of urine from the bladder receives the ejacula-tory channels. The prostate is therefore a real switching point, at the origin of its dual function. francaisLa prostate est une glande masculine exocrine a l’origine de la production du liquide seminal. Elle constitue un carrefour entre les voies urinaires et genitales de l’homme au niveau duquel le canal uretral permettant l’emission d’urines depuis la vessie recoit les canaux ejaculateurs. La prostate est donc un veritable aiguillage, a l’origine de sa double fonction