AmylasesBody TemperatureBody Temperature RegulationTemperatureHot TemperatureCold TemperatureSkin TemperatureHypothermiaThermometersFeverHibernationPancreasTelemetryShiveringThermographyalpha-AmylasesParotid GlandCircadian RhythmSciuridaePancreatitisTime FactorsThermogenesisSweatingThermometryHumidityHeat Stress DisordersCeruletideHypothermia, InducedSeasonsHeatingAntipyreticsImmersionSalivaPyrogensIsoamylaseCholecystokininPreoptic AreaMotor ActivityRectumHydrogen-Ion ConcentrationThermosensingIncubators, InfantHeat StrokeEnergy MetabolismStarchLipasePancreatic JuiceHypothalamusKineticsEatingHeart RateBasal MetabolismThermoreceptorsBehavior, AnimalThermodynamicsSleepInfrared RaysAdaptation, PhysiologicalWaterOxygen ConsumptionN-Methyl-3,4-methylenedioxyamphetamineTransition TemperatureInjections, IntraventricularHyperthermia, InducedSincalideSalivary alpha-AmylasesThermal ConductivityCold ClimateRespirationClothingBeluga WhaleRats, Sprague-DawleyRewarmingWakefulnessAcute DiseaseTrypsinogenClimateLizardsCerebral VentriclesEar CanalEnvironment, ControlledAdipose Tissue, BrownChymotrypsinogenMytilusDimensional Measurement AccuracyMolecular Sequence DataStress, PhysiologicalAlligators and CrocodilesBody WeightComb and WattlesCarbon DioxideAirDose-Response Relationship, DrugCold-Shock ResponseBody Temperature ChangesAnalysis of VarianceWater Loss, InsensibleCalorimetry, Differential ScanningRats, WistarMelatonin