title: Endorphins, opiate receptors and their evolving biology.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D002490:Central Nervous System / Q000032:analysis; D004723:Endorphins / Q000032:analysis / Q000302:isolation & purification / Q000378:metabolism / Q000502:physiology; D004745:Enkephalins / Q000032:analysis / Q000302:isolation & purification / Q000378:metabolism; D006801:Humans; D008094:Lithium / Q000494:pharmacology; D009294:Narcotics / Q000378:metabolism; D018377:Neurotransmitter Agents / Q000378:metabolism; D009293:Opioid-Related Disorders; D010802:Phylogeny; D010902:Pituitary Gland / Q000032:analysis; D011957:Receptors, Opioid / Q000032:analysis / Q000187:drug effects / Q000378:metabolism; D012964:Sodium / Q000494:pharmacology; D012995:Solubility; D001615:beta-Endorphin
chemical_list: D004723:Endorphins; D004745:Enkephalins; D009294:Narcotics; D018377:Neurotransmitter Agents; D011957:Receptors, Opioid; D001615:beta-Endorphin; D008094:Lithium; D012964:Sodium