Spinal CanalCervical VertebraeSpondylosisArnold-Chiari MalformationSpinal Cord CompressionSpinal StenosisSpinal CordSpinal Cord RegenerationMagnetic Resonance ImagingSpinal Cord DiseasesLaminectomyMyelographySemicircular CanalsSpinal Cord NeoplasmsThoracic VertebraeLumbar VertebraeQuadriplegiaEar CanalSpinal DiseasesDecompression, SurgicalSpinal InjuriesSpinal NeoplasmsLigamentum FlavumLongitudinal LigamentsSpinal FusionSpinal Nerve RootsSpinal FracturesEpidural SpaceRoot Canal PreparationPhrenic NerveDura MaterRadiculopathyNeck InjuriesCauda EquinaSpineIntervertebral Disc DisplacementTomography, X-Ray ComputedSpinal OsteophytosisForelimbMyelitisRecovery of FunctionLumbosacral RegionPolyradiculopathySacrumAnterior Horn CellsRonidazoleDental Pulp Cavity