title: Polypeptide-containing neurons in airway smooth muscle.
mesh_terms: D000344:Afferent Pathways / Q000502:physiology; D000818:Animals; D006801:Humans; D009130:Muscle, Smooth / Q000294:innervation*; D009474:Neurons / Q000502:physiology*; D009479:Neuropeptides / Q000502:physiology*; D010275:Parasympathetic Nervous System / Q000502:physiology*; D012137:Respiratory System / Q000294:innervation*
chemical_list: D009479:Neuropeptides