title: Endogenous opioid peptides: a guide to structures and terminology.
mesh_terms: D000818:Animals; D001001:Anura; D001923:Brain Chemistry; D002417:Cattle; D055598:Chemical Phenomena; D002621:Chemistry; D004399:Dynorphins; D004723:Endorphins / Q000032:analysis / Q000096:biosynthesis / Q000378:metabolism*; D004745:Enkephalins / Q000032:analysis; D005796:Genes; D006168:Guinea Pigs; D051379:Mice; D009842:Oligopeptides / Q000378:metabolism; D018847:Opioid Peptides; D011498:Protein Precursors / Q000032:analysis; D009626:Terminology as Topic; D014018:Tissue Distribution; D001615:beta-Endorphin
chemical_list: D004723:Endorphins; D004745:Enkephalins; D009842:Oligopeptides; D018847:Opioid Peptides; D011498:Protein Precursors; C036448:pre-prodynorphin; C019448:kyotorphin; C030058:dermorphin; D001615:beta-Endorphin; C025681:alpha-neoendorphin; D004399:Dynorphins; C021968:beta-casomorphins