title: Melatonin in the retina and the Harderian gland. Ontogeny, diurnal variations and melatonin treatment.
mesh_terms: D000375:Aging; D000818:Animals; D002940:Circadian Rhythm; D003624:Darkness; D005260:Female; D005455:Fluorescent Antibody Technique; D006243:Harderian Gland / Q000378:metabolism*; D007765:Lacrimal Apparatus / Q000378:metabolism*; D008297:Male; D008550:Melatonin / Q000378:metabolism*; D051381:Rats; D012160:Retina / Q000378:metabolism*
chemical_list: D008550:Melatonin