title: The many possible roles of opioids and related peptides in stress-induced analgesia.
mesh_terms: D000698:Analgesia; D000818:Animals; D001921:Brain / Q000378:metabolism; D004558:Electric Stimulation; D004723:Endorphins / Q000378:metabolism / Q000502:physiology*; D004745:Enkephalins / Q000378:metabolism; D008297:Male; D010146:Pain / Q000503:physiopathology; D011333:Pro-Opiomelanocortin / Q000378:metabolism; D011498:Protein Precursors / Q000378:metabolism; D051381:Rats; D012684:Sensory Thresholds; D013312:Stress, Physiological / Q000503:physiopathology*; D013997:Time Factors; D001615:beta-Endorphin
chemical_list: D004723:Endorphins; D004745:Enkephalins; D011498:Protein Precursors; D001615:beta-Endorphin; D011333:Pro-Opiomelanocortin; C033660:preproenkephalin