Muscle, Smooth, VascularMuscle, SmoothMyocytes, Smooth MuscleMusclesMuscle ContractionCells, CulturedMuscle ProteinsAortaMuscle, SkeletalMuscle Fibers, SkeletalMuscle DevelopmentAorta, ThoracicRats, Sprague-DawleyCalciumPlatelet-Derived Growth FactorMuscle RelaxationRabbitsRNA, MessengerAngiotensin IIProto-Oncogene Proteins c-sisCell DivisionSignal TransductionActinsVasoconstrictionMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationArteriesMitochondria, MuscleCarotid Artery InjuriesTracheaMuscle Fibers, Slow-TwitchEndothelium, VascularDose-Response Relationship, DrugPhosphorylationSmooth Muscle MyosinsRats, Inbred WKYEnzyme InhibitorsTunica IntimaVasoconstrictor AgentsIsometric ContractionTime FactorsRats, WistarMesenteric ArteriesCell MovementGene Expression RegulationMuscle, StriatedOculomotor MusclesCell ProliferationHyperplasiaNitric OxideNeck MusclesHypertrophyGuinea PigsCyclic GMPPulmonary ArteryMuscle CellsMuscle SpindlesPotassium ChlorideImmunohistochemistryCoronary VesselsRespiratory MusclesNeointimaPapillary MusclesBlotting, WesternMuscle WeaknessCarotid ArteriesMembrane PotentialsEnzyme ActivationCattleGene ExpressionMyosin Heavy ChainsPhenylephrinerho-Associated KinasesAcetylcholineVasodilator AgentsBlood VesselsAbdominal MusclesQuadriceps MuscleMice, KnockoutMuscle TonusKineticsNorepinephrineMice, Inbred C57BLMolecular Sequence DataMasseter MuscleElectric StimulationStress, MechanicalMyosin-Light-Chain KinaseDogsCell DifferentiationProtein Kinase CCyclic GMP-Dependent Protein KinasesVasodilationUp-RegulationSwineFacial MusclesMasticatory MusclesRats, Inbred SHRNitric Oxide Synthase