NeuronsCentral Nervous SystemNeurons, AfferentNervous SystemMotor NeuronsPeripheral Nervous SystemCentral Nervous System DiseasesAction PotentialsBrainEnteric Nervous SystemAxonsSpinal CordNerve Tissue ProteinsDopaminergic NeuronsCentral Nervous System NeoplasmsSympathetic Nervous SystemCells, CulturedGanglia, SpinalHippocampusSynapsesAutonomic Nervous SystemElectrophysiologySynaptic TransmissionPatch-Clamp TechniquesGABAergic NeuronsImmunohistochemistrySensory Receptor CellsCerebral CortexDendritesNeurogliaElectric StimulationAnimals, NewbornNervous System Physiological Phenomenagamma-Aminobutyric AcidOlfactory Receptor NeuronsNeuropeptidesModels, NeurologicalMembrane PotentialsCholinergic NeuronsTime FactorsNervous System DiseasesNeural InhibitionMice, Inbred C57BLCentral Nervous System InfectionsNeurons, EfferentMotor Neuron DiseaseGene Expression Regulation, DevelopmentalMesencephalonRats, WistarNervous System NeoplasmsGangliaGanglia, InvertebrateMedulla OblongataMice, TransgenicInterneuronsDopamineIn Situ HybridizationPyramidal CellsBrain StemAstrocytesNeurogenesisNeuritesCerebellumGlutamic AcidExcitatory Postsynaptic PotentialsNerve Growth FactorsCatsRats, Sprague-DawleyMice, KnockoutSerotonergic NeuronsNerve DegenerationSignal TransductionNeuronal PlasticityBehavior, AnimalTyrosine 3-MonooxygenaseCell DifferentiationGanglia, SympatheticNerve NetGreen Fluorescent ProteinsRNA, MessengerMolecular Sequence DataNeurotransmitter AgentsAfferent PathwaysProsencephalonCentral Nervous System Viral DiseasesCell CountPeripheral NervesDisease Models, AnimalTetrodotoxinSerotoninParasympathetic Nervous SystemCalciumNociceptorsThalamusLeechesAnimals, Genetically ModifiedNerve RegenerationAplysiaSuperior Cervical GanglionEvoked Potentials