Pineal gland: influence on development of copulation in male rats.
Male rats reared in constant darkness, pinealectomized 3 days after birth, and tested for copulation starting at 24 days of age, mounted receptive females more frequently and showed pelvic thrusting at an earlier age than littermate controls.
D000367:Age Factors; D000818:Animals; D000831:Animals, Newborn; D003307:Copulation; D008027:Light; D008297:Male; D008550:Melatonin / Q000502:physiology; D010870:Pineal Gland / Q000502:physiology* / Q000601:surgery; D051381:Rats; D012726:Sexual Behavior, Animal
D008550:Melatonin