Body TemperatureHypothermia, InducedHypothermiaBody Temperature RegulationTemperatureCold TemperatureHot TemperatureRewarmingSkin TemperatureFeverThermometersShiveringHibernationTelemetryHypoxia-Ischemia, BrainThermographyHeart ArrestCircadian RhythmTime FactorsSciuridaeHeatingThermogenesisSweatingCodon, TerminatorCirculatory Arrest, Deep Hypothermia InducedImmersionThermometrySeasonsHumidityHeat Stress DisordersMotor ActivityHyperthermia, InducedAntipyreticsEnergy MetabolismPreoptic AreaBrainRectumInjections, IntraventricularBehavior, AnimalHeart RateAsphyxia NeonatorumPyrogensRats, Sprague-DawleyHypothalamusOxygen ConsumptionThermosensingCardiopulmonary ResuscitationCerebral VentriclesN-Methyl-3,4-methylenedioxyamphetamineIncubators, InfantBasal MetabolismHydrogen-Ion ConcentrationHeat StrokeBrain IschemiaRespirationCarbon DioxideSleepAdipose Tissue, BrownWaterMolecular Sequence DataAdaptation, PhysiologicalComaEatingThermoreceptorsDisease Models, AnimalAnalysis of VarianceInfrared RaysThermodynamicsBrain InjuriesCold-Shock ResponseRats, WistarTransition TemperatureExtracorporeal CirculationStress, PhysiologicalThermal ConductivityCold ClimateKineticsDose-Response Relationship, DrugCardiopulmonary BypassHeart Arrest, InducedAsphyxiaMutationClothingBeluga WhaleTympanic MembraneWakefulnessTreatment OutcomeBody WeightClimateLizardsAnesthesiaEar CanalElectroencephalographyEnvironment, ControlledAcclimatizationSwineMytilusDimensional Measurement AccuracyAlligators and CrocodilesAcetaminophen