Spinal Cord CompressionCervical VertebraeSpinal CordSpinal Cord InjuriesSpinal NeoplasmsSpinal Cord NeoplasmsLaminectomyThoracic VertebraeSpinal Cord DiseasesSpinal CanalMyelographyEpidural NeoplasmsQuadriplegiaDecompression, SurgicalSpinal DiseasesParaplegiaHematopoiesis, ExtramedullaryMagnetic Resonance ImagingEpidural SpaceScheuermann DiseaseHematoma, Epidural, SpinalPhrenic NerveHyperostosisParaparesisRecovery of FunctionRheumatic NoduleMyelitisForelimbOsteochondromaEpidural AbscessBalloon EmbolectomySpondylosisAnterior Horn CellsOdontoid ProcessParalysisArachnoid CystsSpinal InjuriesBone NeoplasmsMotor NeuronsExostoses, Multiple HereditaryDiphosphonatesNeckArachnoidSpinal FusionTuberculosis, SpinalContusionsHemangiomaTreatment OutcomeData CompressionSpinal Nerve RootsNeurosurgical ProceduresFractures, SpontaneousRespiratory ParalysisTomography, X-Ray ComputedSpinal OsteophytosisSpineNerve Compression SyndromesFatal OutcomePyramidal TractsSpinal FracturesSpinal Cord StimulationSpinal StenosisKlippel-Feil SyndromeRats, Sprague-DawleyRed NucleusNeck InjuriesTime FactorsDura MaterSpinal Cord IschemiaUmbilical CordDisease Models, Animal