title: Diurnal rhythm corticosterone in fasted rats.
abstract: The diurnal rhythm of plasma and adrenal corticosterone level was examined in fed male Wistar rats and in these fasted for 24 and 48 h. In fed animals a remarkable diurnal rhythm of both parameters was found showing a nadir at the beginning and a zenith at the end of light period. After 24 h of fasting the zenith was shifted to the beginning of dark period without any other changes. After 48 h of fasting remarkable shifts were found resulting in a nadir at the beginning of dark period and a zenith at the middle of light period.
mesh_terms: D000311:Adrenal Glands / Q000378:metabolism; D000818:Animals; D002940:Circadian Rhythm; D003345:Corticosterone / Q000097:blood / Q000378:metabolism*; D005215:Fasting; D008297:Male; D051381:Rats
chemical_list: D003345:Corticosterone