Muscle, Smooth, VascularMuscle, SmoothHypertensionHypertension, PulmonaryMusclesMyocytes, Smooth MuscleMuscle ProteinsMuscle, SkeletalMuscle ContractionMuscle Fibers, SkeletalHypertension, RenalHypertension, PortalBlood PressureMuscle DevelopmentAntihypertensive AgentsHypertension, RenovascularHypertension, MalignantMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationMuscle Fibers, Slow-TwitchMitochondria, MusclePulmonary ArteryCells, CulturedAortaOculomotor MusclesNeck MusclesMuscle, StriatedTime FactorsRats, Sprague-DawleyMuscle RelaxationMuscle SpindlesHypertension, Pregnancy-InducedRespiratory MusclesPapillary MusclesMuscle WeaknessRats, Inbred SHRCalciumRats, Inbred WKYMuscle CellsRabbitsIsometric ContractionAbdominal MusclesRisk FactorsAngiotensin IIOcular HypertensionQuadriceps MuscleMasseter MuscleRNA, MessengerFacial MusclesRats, WistarMasticatory MusclesReninKidneyDisease Models, AnimalElectromyographyIntercostal MusclesTracheaVascular ResistanceArteriesVasoconstrictionMuscular AtrophyIntracranial HypertensionNitric OxideActinsBlood Pressure DeterminationSmooth Muscle MyosinsEndothelium, VascularDose-Response Relationship, DrugVasodilator AgentsPursuit, SmoothSatellite Cells, Skeletal MuscleAorta, ThoracicHemodynamicsMonocrotalineDesoxycorticosteroneHypertrophy, Right VentricularHypertrophyPectoralis MusclesSignal TransductionElectric StimulationMyosin Heavy ChainsMuscular DiseasesVasoconstrictor AgentsSodium Chloride, DietaryVasodilationHeart RateGuinea PigsBlood Pressure Monitoring, AmbulatoryAnoxiaPregnancy Complications, CardiovascularNorepinephrineMyocardiumPrevalenceAcetylcholineMyofibrilsHindlimbBody WeightRenin-Angiotensin SystemImmunohistochemistry