Persistence of a diurnal rhythm in hypothalamic corticotrophin-releasing factor (CRF) in the absence of hormone feedback.
D000324:Adrenocorticotropic Hormone / Q000502:physiology*; D000818:Animals; D002940:Circadian Rhythm; D003345:Corticosterone / Q000097:blood; D003346:Corticotropin-Releasing Hormone / Q000378:metabolism*; D005246:Feedback; D005470:Fluorometry; D005938:Glucocorticoids / Q000502:physiology*; D007016:Hypophysectomy; D007031:Hypothalamus / Q000378:metabolism*; D008297:Male; D010902:Pituitary Gland / Q000502:physiology; D051381:Rats
D005938:Glucocorticoids; D000324:Adrenocorticotropic Hormone; D003346:Corticotropin-Releasing Hormone; D003345:Corticosterone