title: [Biologically active polypeptides released from the nerve ending fraction].
mesh_terms: D000109:Acetylcholine / Q000502:physiology; D000818:Animals; D001001:Anura; D002540:Cerebral Cortex / Q000032:analysis; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000502:physiology; D009411:Nerve Endings / Q000032:analysis*; D010455:Peptides / Q000032:analysis* / Q000502:physiology; D051381:Rats
chemical_list: D010455:Peptides; D000109:Acetylcholine