Spinal CordCervical VertebraeSpinal Cord InjuriesPrognosisSpinal CanalSpinal Cord CompressionSpinal Cord DiseasesSpinal Cord NeoplasmsQuadriplegiaSpinal InjuriesPhrenic NerveSpinal StenosisSpondylosisSpinal Nerve RootsLaminectomyMyelographyForelimbMyelitisAnterior Horn CellsSpinal DiseasesMotor NeuronsInjections, SpinalNeckMagnetic Resonance ImagingParalysisSpinal NeoplasmsRecovery of FunctionSpinal NervesSpinal FusionAnesthesia, SpinalRespiratory ParalysisNeck InjuriesContusionsLongitudinal LigamentsPyramidal TractsRats, Sprague-DawleyKlippel-Feil SyndromeRed NucleusEpidural AbscessSpinal Cord StimulationDecompression, SurgicalThoracic VertebraeArnold-Chiari MalformationTrigeminal Caudal NucleusEcho-Planar ImagingDura MaterElectromyographyTime FactorsNerve TissuePosterior Horn CellsTreatment OutcomeTrigeminal Nucleus, SpinalAxonsDiaphragmAfferent PathwaysSpinal OsteophytosisElectric Stimulation TherapyArmSyringomyeliaRetrospective StudiesMedulla OblongataNerve RegenerationMuscular Atrophy, SpinalImmunohistochemistryBrain StemNeuronal Tract-TracersEpidural SpaceNeuromaNeurologic ExaminationElectric StimulationSpinal Cord IschemiaInfarctionGanglia, SpinalDisease Models, AnimalFollow-Up StudiesAutonomic DysreflexiaTomography, X-Ray ComputedEpendymomaFunctional LateralityReticular FormationLocomotionHandRadiculopathyElectrodes, ImplantedNeck PainNeuronal PlasticityDog DiseasesNeurosurgical ProceduresEfferent PathwaysNerve Fibers, MyelinatedMovementParaplegiaMicrosurgerySpineTuberculosis, SpinalNeurilemmomaCatsRolipramNeural PathwaysFatal Outcome