Nerve DegenerationSpinal CordOptic NerveSpinal Cord InjuriesWallerian DegenerationOptic Nerve DiseasesRetinal Ganglion CellsNerve RegenerationAxonsDisease Models, AnimalSpinal Cord DiseasesRetinal DegenerationMacular DegenerationSpinal Cord CompressionSpinal Cord NeoplasmsSciatic NerveSpinal NervesSpinal Nerve RootsSpinal Cord IschemiaPeripheral NervesInjections, SpinalNerve FibersMotor NeuronsParaplegiaSpinal Cord RegenerationSpinal DiseasesRats, Sprague-DawleyCervical VertebraePeripheral Nerve InjuriesSpinal CanalTibial NerveIntervertebral Disc DegenerationSpinal NeoplasmsNerve CrushAnesthesia, SpinalThoracic VertebraeQuadriplegiaGanglia, SpinalSural NerveNerve EndingsNerve BlockPosterior Horn CellsLaminectomyUmbilical CordRecovery of FunctionLumbosacral RegionMedian NerveNerve Growth FactorsFacial NerveSpinal StenosisNeuronsElectric StimulationSpinal FusionLocomotionUlnar NerveAnterior Horn CellsPhrenic NerveSpinal InjuriesNeurons, AfferentNerve Tissue ProteinsSpinal Cord StimulationFemoral NerveMyelin SheathLumbar VertebraeImmunohistochemistryNeuralgiaPainNeural ConductionParalysisCordotomyNerve Fibers, MyelinatedMuscular Atrophy, SpinalMyelitisNerve TissueHyperalgesiaFrontotemporal Lobar DegenerationNerve Growth FactorWet Macular DegenerationMagnetic Resonance ImagingAfferent PathwaysNerve Compression SyndromesTrigeminal NerveCatsIntervertebral DiscCranial NervesReflexTime FactorsHindlimbElectric Stimulation TherapyNeurogliaRetinaElectromyographyCentral Nervous SystemPhotoreceptor Cells, VertebrateAmyotrophic Lateral SclerosisSpineNociceptorsRetrograde DegenerationMyelographyMice, Inbred C57BL