Spinal CanalCauda EquinaSpinal CordSpinal StenosisPolyradiculopathySpinal Cord CompressionSpinal Cord InjuriesSemicircular CanalsLaminectomyLumbar VertebraeCervical VertebraeThoracic VertebraeSpinal Cord DiseasesEar CanalSpinal DiseasesMyelographyLigamentum FlavumSpinal NeoplasmsDecompression, SurgicalSpinal Nerve RootsSpinal FusionSpinal FracturesRoot Canal PreparationSpinal Cord NeoplasmsSpondylosisPeripheral Nervous System NeoplasmsSperm MaturationSacrumEpidural SpaceSpineRadiculopathyIntervertebral Disc DisplacementLumbosacral RegionLongitudinal LigamentsMagnetic Resonance ImagingDura MaterNerve Compression SyndromesArnold-Chiari MalformationTomography, X-Ray ComputedRoot Canal IrrigantsDental Pulp CavitySpinal InjuriesInjections, SpinalInternal FixatorsSpondylolisthesisRoot Canal Filling MaterialsSpinal NervesSpermatozoaSpinal OsteophytosisAnesthesia, SpinalAxisErysipeloidCervical AtlasTractionNeurilemmomaOssification of Posterior Longitudinal LigamentAchondroplasiaSperm TransportAnal CanalBack PainQuadriplegiaForeign-Body MigrationIntervertebral DiscTooth ApexSynovial CystNeck InjuriesSubarachnoid SpaceKyphosisVertebroplastyScoliosisRibsDislocationsSyringomyeliaNeurosurgical ProceduresWounds, StabAngiolipomaBone ScrewsMeningesSperm MotilityEpidural NeoplasmsZygapophyseal JointTreatment OutcomeMuscular Atrophy, SpinalAtlanto-Axial JointLow Back PainCadaverMeningiomaBone Diseases, DevelopmentalRete TestisDiskectomySpinal Cord Ischemia