title: The pineal gland and seasonal reproductive adjustments.
mesh_terms: D000818:Animals; D006224:Cricetinae / Q000502:physiology*; D004971:Estrus; D005260:Female; D008027:Light; D010507:Periodicity; D010870:Pineal Gland / Q000502:physiology*; D011247:Pregnancy; D012621:Seasons