Role of the pineal gland and melatonin in seasonal reproductive function in mammals.
D000818:Animals; D005260:Female; D008297:Male; D008322:Mammals / Q000502:physiology; D008550:Melatonin / Q000502:physiology*; D010870:Pineal Gland / Q000502:physiology*; D011247:Pregnancy; D051381:Rats; D012098:Reproduction; D012621:Seasons; D012756:Sheep / Q000502:physiology
D008550:Melatonin