title: Diurnal cycle and ACTH facilitation of shuttlebox avoidance.
mesh_terms: D000324:Adrenocorticotropic Hormone / Q000494:pharmacology*; D000818:Animals; D001362:Avoidance Learning / Q000187:drug effects*; D002940:Circadian Rhythm; D003213:Conditioning, Psychological / Q000187:drug effects; D004597:Electroshock; D005108:Extinction, Psychological; D008032:Limbic System / Q000502:physiology; D008297:Male; D010913:Pituitary-Adrenal System; D051381:Rats
chemical_list: D000324:Adrenocorticotropic Hormone