Spinal CanalSpinal CordCervical VertebraeSpinal Cord InjuriesSpinal StenosisSpinal Cord CompressionSpinal Cord DiseasesLaminectomySpinal Cord NeoplasmsMyelographySpinal DiseasesThoracic VertebraeSemicircular CanalsLumbar VertebraeSpinal NeoplasmsSpondylosisSpinal Nerve RootsSpinal InjuriesQuadriplegiaSpinal FusionDecompression, SurgicalEar CanalMagnetic Resonance ImagingLongitudinal LigamentsLigamentum FlavumInjections, SpinalSpinal FracturesSpinal NervesEpidural SpaceAnesthesia, SpinalArnold-Chiari MalformationSpineDura MaterPhrenic NerveRoot Canal PreparationRadiculopathyCauda EquinaMotor NeuronsNeck InjuriesSpinal OsteophytosisLumbosacral RegionMyelitisIntervertebral Disc DisplacementRecovery of FunctionTomography, X-Ray ComputedForelimbAnterior Horn CellsSacrumPolyradiculopathyParalysisSyringomyeliaInternal FixatorsNeckRoot Canal IrrigantsDental Pulp CavitySpondylolisthesisMuscular Atrophy, SpinalRats, Sprague-DawleyRoot Canal Filling MaterialsNeurilemmomaSpinal Cord IschemiaContusionsNeurosurgical ProceduresGanglia, SpinalPosterior Horn CellsPyramidal TractsRespiratory ParalysisAxisSpinal Cord StimulationTractionCervical AtlasOssification of Posterior Longitudinal LigamentEpidural AbscessErysipeloidTrigeminal Nucleus, SpinalTreatment OutcomeParaplegiaScoliosisTuberculosis, SpinalAxonsAchondroplasiaElectromyographyAfferent PathwaysRed NucleusKyphosisSubarachnoid SpaceKlippel-Feil SyndromeNerve RegenerationIntervertebral DiscAnal CanalSpinal CurvaturesHematoma, Epidural, SpinalElectric Stimulation TherapyBack PainElectric StimulationLocomotionMeningesEpidural NeoplasmsBrain StemInjections, Epidural