title: Mammalian pineal gland: 7-day rhythmic activity?
mesh_terms: D000818:Animals; D005260:Female; D007211:Indoles; D008297:Male; D008550:Melatonin / Q000096:biosynthesis; D008780:Methyltransferases / Q000378:metabolism; D010507:Periodicity; D010870:Pineal Gland / Q000201:enzymology / Q000502:physiology*; D051381:Rats
chemical_list: D007211:Indoles; D008780:Methyltransferases; D008550:Melatonin