AxotomyNeuronsPeripheral Nervous SystemPeripheral NervesNeurons, AfferentGanglia, SpinalAxonsMotor NeuronsNerve RegenerationSuperior Cervical GanglionGanglia, SympatheticNerve Growth FactorsDysautonomia, FamilialPeripheral Nerve InjuriesCentral Nervous SystemNeuritesNerve Tissue ProteinsNeural CrestSchwann CellsCells, CulturedSpinal CordSciatic NerveFacial Nerve InjuriesFacial NerveImmunohistochemistryDenervationRats, Sprague-DawleySodium ChannelsRNA, MessengerAction PotentialsChick EmbryoNerve CrushGene Expression Regulation, DevelopmentalCell DifferentiationSensory Receptor CellsSympathetic Nervous SystemMolecular Sequence DataPeripheral Nervous System DiseasesFluorescent Antibody TechniqueSignal TransductionRetrograde DegenerationTime FactorsDopaminergic NeuronsSynapsesElectrophysiologyStilbamidinesDendritesPatch-Clamp TechniquesElectric StimulationWallerian DegenerationAxonal TransportNerve DegenerationGAP-43 ProteinRed NucleusBase SequenceAnimals, NewbornSynaptic TransmissionMembrane PotentialsGABAergic NeuronsRats, WistarOptic NerveNeurofilament ProteinsHippocampusCatsNeural ConductionMice, Inbred C57BLPeripheral Vascular DiseasesCell CountRetinal Ganglion CellsOlfactory Receptor NeuronsBrainOptic Nerve InjuriesGangliaModels, NeurologicalCerebral CortexInterneuronsCholinergic NeuronsTetrodotoxinCell SurvivalMice, TransgenicSpinal Nervesgamma-Aminobutyric AcidAplysiaNeuropeptidesNeurons, EfferentHypoglossal NerveNeural InhibitionAfferent PathwaysAutonomic Fibers, PostganglionicMotor Neuron DiseaseNeurogliaTyrosine 3-MonooxygenaseNociceptorsGanglia, InvertebrateExcitatory Postsynaptic PotentialsBrain StemMice, KnockoutIn Situ HybridizationSciatic NeuropathyLeukocytes, Mononuclear