title: The role of the opioid peptidergic system in body reactivity.
mesh_terms: D000305:Adrenal Cortex Hormones / Q000378:metabolism; D000818:Animals; D004723:Endorphins / Q000502:physiology*; D009270:Naloxone / Q000494:pharmacology; D010913:Pituitary-Adrenal System / Q000502:physiology; D051381:Rats; D013312:Stress, Physiological / Q000503:physiopathology*
chemical_list: D000305:Adrenal Cortex Hormones; D004723:Endorphins; D009270:Naloxone