title: Pituitary-adrenal activity under different appetitive extinction procedures.
mesh_terms: D000305:Adrenal Cortex Hormones / Q000097:blood; D000818:Animals; D001070:Appetitive Behavior / Q000502:physiology*; D003216:Conditioning, Operant / Q000502:physiology*; D005108:Extinction, Psychological / Q000502:physiology*; D008297:Male; D010913:Pituitary-Adrenal System / Q000502:physiology*; D051381:Rats; D013312:Stress, Physiological / Q000503:physiopathology
chemical_list: D000305:Adrenal Cortex Hormones