BronchoconstrictionBronchoconstrictor AgentsMuscle, SmoothBronchiAirway ResistanceBronchial Provocation TestsMethacholine ChlorideHistamineMethacholine CompoundsTracheaMyocytes, Smooth MuscleGuinea PigsAsthmaBronchial HyperreactivityCromolyn SodiumMuscle, Smooth, VascularAdministration, InhalationRespiratory SystemLungMuscle ContractionForced Expiratory VolumeDose-Response Relationship, DrugAtropineAirway RemodelingNeurokinin AIpratropiumVagotomyMusclesBronchodilator AgentsAlbuterolAerosolsCells, CulturedProstaglandins DBenzeneacetamidesMuscle RelaxationHydantoinsReceptors, Neurokinin-2Muscle ProteinsVagus NerveAcetylcholineNedocromilAirway ObstructionRespiratory Physiological PhenomenaIndomethacinTachykininsRespiratory Function TestsSRS-ASubstance PThromboxane A2TerbutalineCalciumMuscle, SkeletalCapsaicinOvalbuminBronchial SpasmSmooth Muscle MyosinsNeprilysinTime FactorsCarbacholMuscle Fibers, SkeletalSerotoninIsometric ContractionAllergensPropranololMuscle DevelopmentProstaglandin D2AortaSignal TransductionRabbitsDouble-Blind MethodRespiratory MucosaActinsRNA, MessengerRespiratory MusclesChemokine CCL11Adrenergic beta-2 Receptor AgonistsDogsPotassium ChloridePlatelet-Derived Growth FactorMuscle TonusPhosphorylationEnzyme InhibitorsCalcium SignalingMyosin Light ChainsRats, Sprague-DawleyCell DivisionIsoproterenolStress, MechanicalAdrenergic beta-AgonistsInterleukin-13CattleCholinergic AgonistsHypertrophyMuscle FatigueElectric StimulationMuscle DenervationMuscle Fibers, Fast-TwitchHexanolsGene Expression RegulationMembrane Potentials