title: Coexistence of classical transmitters and peptides in the central and peripheral nervous systems.
mesh_terms: D000588:Amines / Q000378:metabolism; D000818:Animals; D002490:Central Nervous System / Q000378:metabolism*; D005455:Fluorescent Antibody Technique; D006168:Guinea Pigs; D006801:Humans; D009474:Neurons / Q000378:metabolism; D018377:Neurotransmitter Agents / Q000378:metabolism*; D010455:Peptides / Q000378:metabolism*; D010525:Peripheral Nerves / Q000378:metabolism*; D051381:Rats
chemical_list: D000588:Amines; D018377:Neurotransmitter Agents; D010455:Peptides