Spinal CordSpinal Cord InjuriesMultiple SclerosisSpinal Cord DiseasesSclerosisSpinal Cord CompressionSpinal Cord NeoplasmsAmyotrophic Lateral SclerosisSpinal Cord IschemiaTuberous SclerosisInjections, SpinalParaplegiaMotor NeuronsSpinal Nerve RootsSpinal NervesScleroderma, SystemicSpinal Cord RegenerationSpinal CanalCervical VertebraeSpinal NeoplasmsQuadriplegiaAnesthesia, SpinalMultiple Sclerosis, Chronic ProgressiveThoracic VertebraeSpinal DiseasesAxonsUmbilical CordPosterior Horn CellsRats, Sprague-DawleyLaminectomyLumbosacral RegionNerve RegenerationRecovery of FunctionMagnetic Resonance ImagingDisease Models, AnimalSpinal StenosisAnterior Horn CellsGanglia, SpinalLocomotionSpinal Cord StimulationMyelitisSpinal FusionSpinal InjuriesParalysisNeuronsMyelin SheathCordotomyPainMuscular Atrophy, SpinalDemyelinating DiseasesEncephalomyelitis, Autoimmune, ExperimentalBrainElectric Stimulation TherapyCentral Nervous SystemHyperalgesiaNeuralgiaTime FactorsOligodendrogliaUrinary Bladder, NeurogenicMyelographyElectric StimulationSpinePyramidal TractsAfferent PathwaysEpidural SpaceHindlimbImmunohistochemistryNeurons, AfferentHematoma, Epidural, SpinalLumbar VertebraeMotor ActivityReflexNociceptorsElectromyographyNeurogliaLampreysMotor Neuron DiseaseMyelin Basic ProteinPain MeasurementBrain StemAutonomic DysreflexiaInterneuronsAstrocytesMuscle SpasticityEvoked Potentials, SomatosensoryTuberculosis, SpinalCatsMicrogliaPhysical StimulationFetal BloodSuperoxide DismutaseGlial Fibrillary Acidic ProteinContusionsMyelin ProteinsNerve Fibers, MyelinatedSciatic NerveCauda EquinaSpinal CurvaturesSpermatic CordMice, Transgenic