Muscle, SmoothMuscle, Smooth, VascularActinsMyocytes, Smooth MuscleMusclesMyocytes, CardiacActin CytoskeletonMuscle ContractionMuscle ProteinsActin Depolymerizing FactorsCells, CulturedMuscle, SkeletalMuscle Fibers, SkeletalCalciumMuscle DevelopmentMyocardiumRabbitsAortaMuscle CellsGuinea PigsRats, Sprague-DawleyTracheaActin Capping ProteinsMuscle RelaxationCytoskeletonSmooth Muscle MyosinsHeart VentriclesRNA, MessengerMembrane PotentialsSignal TransductionMyosinsMuscle Fibers, Fast-TwitchMuscle DenervationMuscle FatiguePhosphorylationTime FactorsHeartRats, WistarMitochondria, MuscleMuscle Fibers, Slow-TwitchDose-Response Relationship, DrugAorta, ThoracicIsometric ContractionMuscle, StriatedCalcium SignalingMyocardial ContractionEnzyme InhibitorsMyosin Heavy ChainsPatch-Clamp TechniquesSarcoplasmic ReticulumImmunohistochemistryKineticsPlatelet-Derived Growth FactorCell DivisionPapillary MusclesPotassium ChannelsTropomyosinGizzardArteriesOculomotor MusclesElectric StimulationPulmonary ArteryGene Expression RegulationPhalloidineDogsCaffeineCell MovementMolecular Sequence DataNeck MusclesCalcium Channels, L-TypeIsoproterenolVasoconstrictionEndothelium, VascularAcetylcholineMuscle SpindlesRespiratory MusclesContractile ProteinsCalcium ChannelsMyofibrilsPotassium ChlorideCalmodulin-Binding ProteinsChickensAdenosine TriphosphateBlotting, WesternAction PotentialsPotassiumElectrophysiologyHypertrophyCarbacholDesminThiazolidinesMyosin-Light-Chain KinaseMuscle WeaknessModels, BiologicalUrinary BladderAngiotensin IIGene ExpressionCattleAnimals, NewbornSarcolemma