Spinal CordSpinal Cord InjuriesInfusions, IntravenousPreventive Health ServicesInfusions, ParenteralPreventive MedicineInfusion PumpsInjections, SpinalSpinal NervesAnesthesia, SpinalSpinal Cord DiseasesSpinal Nerve RootsSpinal Cord NeoplasmsSpinal CanalInfusions, Intra-ArterialSpinal DiseasesSpinal Cord CompressionSpinal NeoplasmsSpinal StenosisSpinal FusionPreventive DentistrySpinal InjuriesMuscular Atrophy, SpinalRats, Sprague-DawleySpinal Cord IschemiaGanglia, SpinalTime FactorsInfusion Pumps, ImplantableMotor NeuronsSpineParaplegiaThoracic VertebraeTuberculosis, SpinalDose-Response Relationship, DrugLaminectomySpinal CurvaturesHematoma, Epidural, SpinalPosterior Horn CellsTreatment OutcomeLumbosacral RegionCervical VertebraeDisease Models, AnimalLumbar VertebraeInfusions, SubcutaneousSpinal Muscular Atrophies of ChildhoodBlood PressureDrug Administration SchedulePainSpinal FracturesDogsPain MeasurementSpinal Cord RegenerationHyperalgesiaQuadriplegiaInfusions, IntralesionalInjections, IntravenousTrigeminal Nucleus, SpinalLocomotionManipulation, SpinalPrimary PreventionRecovery of FunctionRats, WistarRisk FactorsHemodynamicsReflexAnterior Horn CellsEpidural SpaceMyelographyAnesthetics, LocalNeuralgiaAxonsSpinal PunctureElectric StimulationCordotomyHeart RateCatsAnalysis of VarianceDrug CombinationsNeuronsMagnetic Resonance ImagingAnalgesics, OpioidHindlimbNerve RegenerationBlood GlucoseMorphineProspective StudiesRegional Blood FlowInsulinNociceptorsAnalgesicsInsulin Infusion SystemsPregnancyDouble-Blind MethodSulfadoxineInfusions, IntraventricularAfferent PathwaysMotor ActivityRetrospective StudiesPyrimethamineScoliosis