Sympathetic Nervous SystemCentral Nervous SystemSympathectomy, ChemicalNorepinephrineSciatic NerveSympathectomyNervous SystemPeripheral NervesBlood PressureOptic NerveAutonomic Nervous SystemHeart RateNerve FibersAutonomic Nervous System DiseasesCatecholaminesSympatholyticsEpinephrineNerve RegenerationGanglionic BlockersPeripheral Nervous SystemDenervationCentral Nervous System DiseasesHypertensionAdrenergic FibersSympathetic Fibers, PostganglionicPentolinium TartrateGanglia, SympatheticNerve BlockGuanethidineStellate GanglionNerve Growth FactorsNerve EndingsSural NerveHydroxydopaminesNerve CrushMedian NervePeripheral Nerve InjuriesNerve Growth FactorNervous System NeoplasmsParasympathetic Nervous SystemFacial NerveAdrenergic alpha-AntagonistsPropranololTibial NerveDopamine beta-HydroxylaseEnteric Nervous SystemRats, Sprague-DawleyUlnar NerveSplanchnic NervesBrainCentral Nervous System NeoplasmsSympathomimeticsPhentolamineAdrenergic beta-AntagonistsNeuropeptide YReceptors, Adrenergic, betaSpinal NervesFemoral NerveRenin-Angiotensin SystemNeuronsAdrenal MedullaPressoreceptorsPrazosinNervous System Physiological PhenomenaNeuroblastomaCranial NervesTrigeminal NerveElectric StimulationCold TemperatureKidneyHypertension, RenalSpinal CordBaroreflex3-IodobenzylguanidineReninGanglia, AutonomicHeartAxonsReceptors, AdrenergicReflexClonidineHemodynamicsNerve TissueHexamethonium CompoundsAdipose Tissue, BrownPhrenic NerveSpinal Nerve RootsRadial NerveAngiotensin IIAutonomic PathwaysGanglioneuromaHexamethoniumTime FactorsReserpineSuperior Cervical GanglionDisease Models, AnimalNerve Tissue ProteinsPhenoxybenzamineNerve Compression SyndromesOxidopamine