Body TemperatureHypothalamusBody Temperature RegulationTemperatureCold TemperatureHot TemperatureHypothalamus, AnteriorSkin TemperatureHypothermiaHypothalamus, MiddleFeverThermometersHibernationPreoptic AreaTelemetryShiveringCircadian RhythmHypothalamus, PosteriorThermographyVentromedial Hypothalamic NucleusParaventricular Hypothalamic NucleusHypothalamic Area, LateralSciuridaeInjections, IntraventricularArcuate NucleusEatingTime FactorsRats, Sprague-DawleyDorsomedial Hypothalamic NucleusThermogenesisBrainEnergy MetabolismPyrogensSeasonsNeuropeptidesSweatingThermometryHumidityHeat Stress DisordersHypothermia, InducedNeuronsMotor ActivityHeatingAntipyreticsBehavior, AnimalMedian EminenceFeeding BehaviorPro-OpiomelanocortinCementationHypothalamic HormonesSleepCerebral VentriclesStress, PhysiologicalRectumNeuropeptide YThermoreceptorsHeart RateBody WeightWakefulnessRats, WistarLeptinHypothalamo-Hypophyseal SystemThermosensingSuprachiasmatic NucleusPhotoperiodIncubators, InfantHeat StrokePituitary GlandBasal MetabolismProto-Oncogene Proteins c-fosAnalysis of VarianceRespirationAdipose Tissue, BrownOxygen ConsumptionCorticotropin-Releasing HormoneAdaptation, PhysiologicalN-Methyl-3,4-methylenedioxyamphetamineHydrogen-Ion ConcentrationSupraoptic NucleusOxytocinGonadotropin-Releasing HormoneComb and WattlesMelatoninCorticosteroneSleep, REMWaterRNA, MessengerThermodynamicsDichloroacetic AcidSerotoninTransition TemperatureKineticsHyperthermia, InducedThermal ConductivityCold ClimateNeurosecretory SystemsBrain ChemistryMice, Inbred C57BLPituitary HormonesLizards