Spinal CordSpinal Cord InjuriesUmbilical CordAmyotrophic Lateral SclerosisInjections, SpinalRats, Sprague-DawleyMotor NeuronsDisease Models, AnimalRecovery of FunctionSuperoxide DismutaseNeuronsSpinal Cord DiseasesSpinal Cord CompressionSpinal Cord NeoplasmsMethylmercury CompoundsSpinal Cord IschemiaNerve RegenerationMaternal-Fetal ExchangeParaplegiaSpinal Nerve RootsSpinal NervesFetal BloodSpinal Cord RegenerationSpinal CanalMaternal ExposureSpinal NeoplasmsCervical VertebraeAnesthesia, SpinalQuadriplegiaThoracic VertebraeSpinal DiseasesPosterior Horn CellsLaminectomyPregnancyLumbosacral RegionAxonsSpinal StenosisGanglia, SpinalSpinal Cord StimulationLocomotionSpinal FusionSpinal InjuriesAnterior Horn CellsMyelitisCells, CulturedCordotomyParalysisMuscular Atrophy, SpinalPainHyperalgesiaElectric Stimulation TherapyNeuralgiaMyelographyElectric StimulationSpineEpidural SpaceAfferent PathwaysUrinary Bladder, NeurogenicHematoma, Epidural, SpinalHindlimbNeurons, AfferentNociceptorsLumbar VertebraeReflexTime FactorsLampreysMotor ActivityAutonomic DysreflexiaInterneuronsPyramidal TractsElectromyographyMagnetic Resonance ImagingPain MeasurementTuberculosis, SpinalMyelin SheathCatsCentral Nervous SystemPhysical StimulationNeurogliaImmunohistochemistryContusionsEvoked Potentials, SomatosensoryBrain StemSpinal CurvaturesOligodendrogliaSpermatic CordSciatic NerveSyringomyeliaMuscle SpasticityEfferent PathwaysStrychnineCauda EquinaSpinal Muscular Atrophies of Childhood