title: Melatonin and corticosterone regulation: feeding time or the light:dark cycle?
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D003345:Corticosterone / Q000378:metabolism*; D004435:Eating; D005508:Food Deprivation / Q000502:physiology; D008027:Light; D008297:Male; D008550:Melatonin / Q000378:metabolism*; D010870:Pineal Gland / Q000378:metabolism; D051381:Rats; D013997:Time Factors; D014868:Water Deprivation / Q000502:physiology
chemical_list: D008550:Melatonin; D003345:Corticosterone