Ejaculation by male rhesus in the absence of female partners.
D000818:Animals; D002369:Castration; D004542:Ejaculation; D000882:Haplorhini; D006702:Homing Behavior; D006801:Humans; D008251:Macaca; D008297:Male; D008418:Masturbation; D012726:Sexual Behavior, Animal; D013997:Time Factors; D014649:Vas Deferens / Q000502:physiology; D014659:Vasectomy