Pineal-brain relationship.
D000818:Animals; D001921:Brain / Q000502:physiology*; D002490:Central Nervous System / Q000187:drug effects; D002831:Choroid Plexus / Q000032:analysis / Q000378:metabolism; D003338:Corpus Luteum; D004031:Diestrus; D004971:Estrus; D005260:Female; D007987:Gonadotropin-Releasing Hormone / Q000378:metabolism; D007031:Hypothalamus / Q000378:metabolism / Q000502:physiology; D008297:Male; D008550:Melatonin / Q000097:blood / Q000134:cerebrospinal fluid / Q000378:metabolism; D008636:Mesencephalon / Q000378:metabolism; D010870:Pineal Gland / Q000378:metabolism* / Q000502:physiology; D011247:Pregnancy; D051381:Rats; D012701:Serotonin / Q000378:metabolism
D012701:Serotonin; D007987:Gonadotropin-Releasing Hormone; D008550:Melatonin