Effect of trachealis muscle contraction on tracheal resistance to airflow.
D000109:Acetylcholine / Q000494:pharmacology; D000403:Airway Resistance; D000818:Animals; D001696:Biomechanical Phenomena; D004285:Dogs; D004548:Elasticity; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000502:physiology*; D011312:Pressure; D014132:Trachea / Q000502:physiology*
D007545:Isoproterenol; D000109:Acetylcholine