title: Role of cyclic AMP in adrenergically induced tracheal smooth muscle relaxation.
mesh_terms: D000420:Albuterol / Q000494:pharmacology; D000818:Animals; D002417:Cattle; D000242:Cyclic AMP / Q000378:metabolism / Q000502:physiology*; D004837:Epinephrine / Q000494:pharmacology; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects; D009126:Muscle Relaxation / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects / Q000378:metabolism / Q000502:physiology*; D013564:Sympathetic Nervous System / Q000502:physiology*; D014132:Trachea / Q000294:innervation / Q000378:metabolism / Q000502:physiology*
chemical_list: D000242:Cyclic AMP; D007545:Isoproterenol; D000420:Albuterol; D004837:Epinephrine