Medulla OblongataPiloerectionBrain StemLateral Medullary SyndromeThermoreceptorsForamen MagnumKidney MedullaProlactin-Releasing HormoneReticulumSpinal CordBrainAutonomic PathwaysSolitary NucleusHypothalamusRespirationReticular FormationCerebellumChemoreceptor CellsMagnetic Resonance ImagingVagus NerveCatsSudden Infant DeathGerminomaNeuronsRats, Inbred StrainsPressoreceptorsScrapieCatecholaminesBrain ChemistryRats, Sprague-DawleyProto-Oncogene Proteins c-fosBlood PressureImmunohistochemistryAneurysm, RupturedNorepinephrineSympathetic Nervous SystemPonsRats, Inbred WKYCentral Nervous SystemNeural PathwaysSerotoninRats, WistarCarbon DioxideRats, Inbred SHRHeart RateSheepBrain NeoplasmsTissue DistributionRNA, MessengerTime Factors