title: Analgesic polypeptides: the endorphins.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D002490:Central Nervous System / Q000502:physiology; D004723:Endorphins / Q000096:biosynthesis* / Q000502:physiology; D004745:Enkephalins / Q000096:biosynthesis / Q000502:physiology; D006801:Humans; D051381:Rats; D011957:Receptors, Opioid / Q000502:physiology
chemical_list: D004723:Endorphins; D004745:Enkephalins; D011957:Receptors, Opioid