title: Peptides as neurotransmitters: focus on the enkephalins and endorphins.
mesh_terms: D000324:Adrenocorticotropic Hormone; D000818:Animals; D004723:Endorphins / Q000502:physiology*; D004745:Enkephalins / Q000096:biosynthesis / Q000502:physiology*; D009420:Nervous System / Q000032:analysis; D018377:Neurotransmitter Agents / Q000502:physiology*; D010455:Peptides / Q000502:physiology*; D011957:Receptors, Opioid / Q000032:analysis / Q000502:physiology; D013373:Substance P / Q000502:physiology; D009435:Synaptic Transmission / Q000187:drug effects; D014660:Vasoactive Intestinal Peptide / Q000502:physiology
chemical_list: D004723:Endorphins; D004745:Enkephalins; D018377:Neurotransmitter Agents; D010455:Peptides; D011957:Receptors, Opioid; D013373:Substance P; D014660:Vasoactive Intestinal Peptide; D000324:Adrenocorticotropic Hormone