Bronchial SpasmSpasmMuscle, SmoothMuscle, Smooth, VascularMyocytes, Smooth MuscleSpasms, InfantileMusclesHemifacial SpasmMuscle ContractionMuscle ProteinsMuscle, SkeletalCoronary VasospasmMuscle Fibers, SkeletalCells, CulturedMuscle DevelopmentEsophageal Spasm, DiffuseAortaTracheaMuscle RelaxationCalciumSmooth Muscle MyosinsFacial MusclesRabbitsErgonovineMuscle Fibers, Fast-TwitchMuscle DenervationMuscle FatigueRats, Sprague-DawleyActinsGuinea PigsMuscle Fibers, Slow-TwitchMitochondria, MuscleAorta, ThoracicAngina Pectoris, VariantRNA, MessengerIsometric ContractionOculomotor MusclesAcetylcholineNeck MusclesMuscle, StriatedVasoconstrictionArteriesPlatelet-Derived Growth FactorTime FactorsDose-Response Relationship, DrugSignal TransductionMuscle SpindlesRespiratory MusclesMuscle CellsPulmonary ArteryCoronary VesselsEndothelium, VascularCell DivisionGizzardPhosphorylationPapillary MusclesMembrane PotentialsMuscle WeaknessPotassium ChlorideEnzyme InhibitorsRats, WistarImmunohistochemistryElectric StimulationVasoconstrictor AgentsMyosin Heavy ChainsBronchiUrinary BladderTunica IntimaElectromyographyMyosin-Light-Chain KinaseMasticatory MusclesProto-Oncogene Proteins c-sisAbdominal MusclesCarbacholQuadriceps MuscleVasodilator AgentsGene Expression RegulationMuscle TonusDogsMesenteric ArteriesCarotid Artery InjuriesNitric OxideMasseter MuscleHypertrophyDesminAngiotensin IICattleMyosinsBlepharospasmCell MovementIntercostal MusclesCalmodulin-Binding ProteinsCell ProliferationHyperplasiaChickensCyclic GMPCalcium Channel BlockersMyosin Light ChainsPotassiumBlotting, Western