Motor NeuronsFacial Nerve InjuriesFacial NerveNeuromuscular Junction DiseasesAxotomySpinal CordCell SurvivalMotor Neuron DiseaseNeuronsAxonsChick EmbryoReceptors, CholinergicSurvival of Motor Neuron 1 ProteinNeurons, AfferentMotor CortexEvoked Potentials, MotorSurvival of Motor Neuron 2 ProteinAmyotrophic Lateral SclerosisSurvival RateMuscular Atrophy, SpinalMotor ActivityAction PotentialsSMN Complex ProteinsElectric StimulationSynapsesNerve Tissue ProteinsInterneuronsElectrophysiologySynaptic TransmissionHypoglossal NerveTime FactorsGanglia, InvertebrateNeuromuscular JunctionAnterior Horn CellsElectromyographyDisease-Free SurvivalNerve DegenerationCells, CulturedImmunohistochemistrySurvivalMice, TransgenicAnimals, NewbornBrain StemDendritesNeural InhibitionCatsMolecular Motor ProteinsNeuromuscular DiseasesSuperoxide DismutasePatch-Clamp TechniquesMuscle, SkeletalModels, NeurologicalRecruitment, NeurophysiologicalMovementMembrane PotentialsCholine O-AcetyltransferaseSurvival AnalysisDisease Models, AnimalLocomotionLumbosacral RegionAplysiaRats, Sprague-DawleyGraft SurvivalExcitatory Postsynaptic PotentialsMutationGanglia, SpinalSensory Receptor CellsCholinergic NeuronsAbducens NerveAnimals, Genetically ModifiedMice, Inbred C57BLBrainNerve Growth FactorsMusclesDopaminergic NeuronsAxonal TransportEfferent PathwaysGABAergic Neuronsgamma-Aminobutyric AcidEvoked PotentialsMedulla OblongataAfferent PathwaysPeriodicityGene Expression Regulation, DevelopmentalCell CountCentral Nervous SystemNerve NetSignal TransductionCell DeathBulbar Palsy, ProgressiveReaction TimeNeural ConductionNerve RegenerationGreen Fluorescent ProteinsCell DifferentiationNeuropeptidesCerebral CortexSpinal Nerve RootsMice, KnockoutNeuronal Plasticity