Physiological significance of the pineal during adaptation to shifts in photoperiod.
D000818:Animals; D001522:Behavior, Animal; D002940:Circadian Rhythm; D004971:Estrus; D005260:Female; D006706:Homeostasis; D008027:Light; D008124:Locomotion; D009043:Motor Activity; D010870:Pineal Gland / Q000502:physiology*; D011247:Pregnancy; D051381:Rats; D012726:Sexual Behavior, Animal