Body TemperatureBlood PressureBody Temperature RegulationPressureTemperatureBlood Pressure DeterminationHypertensionBlood Pressure Monitoring, AmbulatoryCold TemperatureHot TemperatureSkin TemperatureHeart RateHypothermiaThermometersFeverTelemetryCircadian RhythmAntihypertensive AgentsHydrostatic PressureHibernationTime FactorsBlood Pressure MonitorsShiveringSystoleThermographyHemodynamicsHypotensionDiastoleBody WeightIntracranial PressureSciuridaeReninArterial PressureIntraocular PressureRats, Inbred SHRPulseAnalysis of VarianceVascular ResistanceTransducers, PressureRespirationSympathetic Nervous SystemRats, Sprague-DawleySweatingHeat Stress DisordersRegional Blood FlowAtmospheric PressureKidneyCardiovascular SystemHumidityNorepinephrineProspective StudiesHypothermia, InducedDose-Response Relationship, DrugThermogenesisSeasonsHeatingAir PressureThermometryOxygen ConsumptionVenous PressureImmersionSleepRisk FactorsSphygmomanometersCardiovascular DiseasesMotor ActivityCarbon DioxideCardiac OutputSodium ChlorideBaroreflexHypertension, RenalInjections, IntraventricularAntipyreticsSodium Chloride, DietaryReference ValuesDouble-Blind MethodMonitoring, PhysiologicBody Mass IndexDogsRats, Inbred WKYRats, WistarRegression AnalysisDiet, Sodium-RestrictedAutonomic Nervous SystemSodium, DietaryFollow-Up StudiesAngiotensin IIVentricular PressureEnergy MetabolismAge FactorsCardiovascular Physiological PhenomenaAngiotensin-Converting Enzyme InhibitorsAdaptation, PhysiologicalAnesthesiaRectumPyrogensPreoptic AreaDisease Models, AnimalPressoreceptorsWater