Inhibitory innervation to airway smooth muscle.
D000818:Animals; D001341:Autonomic Nervous System / Q000502:physiology*; D001980:Bronchi / Q000294:innervation*; D002645:Chickens; D004558:Electric Stimulation; D006168:Guinea Pigs; D006801:Humans; D009126:Muscle Relaxation; D009130:Muscle, Smooth / Q000502:physiology*; D009469:Neuromuscular Junction / Q000502:physiology*; D013564:Sympathetic Nervous System / Q000502:physiology; D014132:Trachea / Q000294:innervation*; D014630:Vagus Nerve / Q000502:physiology; D014660:Vasoactive Intestinal Peptide / Q000502:physiology
D014660:Vasoactive Intestinal Peptide