Fetal BloodSpinal CordTransplantation, AutologousSpinal Cord InjuriesUmbilical CordBlood BanksInfant, NewbornAntigens, CD34Blood Transfusion, AutologousHematopoietic Stem CellsHematopoietic Stem Cell TransplantationPregnancyMaternal-Fetal ExchangeSpinal Cord DiseasesCells, CulturedSpinal Cord CompressionCell DifferentiationCell SeparationSpermatic CordImmunophenotypingTransplantation ConditioningColony-Forming Units AssaySpinal Cord IschemiaMice, SCIDFlow CytometryBone Marrow TransplantationSpinal Cord NeoplasmsCell Culture TechniquesAntigens, CDCord Blood Stem Cell TransplantationBlood PreservationStem Cell TransplantationHistocompatibility TestingTransplantation, HomologousGraft vs Host DiseaseMice, Inbred NODLeukocytes, MononuclearBone Marrow CellsHematologic NeoplasmsT-LymphocytesTime FactorsMaternal ExposureStem CellsGraft SurvivalTreatment OutcomeHematopoiesisAntigens, CD38Lymphocyte ActivationBlood CellsADP-ribosyl CyclaseBlood Cell CountCord FactorsCell LineagePlacentaNuchal CordCoculture TechniquesStem Cell FactorParaplegiaGestational AgeHLA AntigensLymphocytesAntigens, CD45Cytotoxicity, ImmunologicVocal CordsTransplantation ChimeraDirected Tissue DonationLymphocyte Culture Test, MixedMesenchymal Stromal CellsCombined Modality TherapyFetusCryopreservationDendritic CellsCell TransplantationUnrelated DonorsKiller Cells, NaturalCytokinesPeripheral Blood Stem Cell TransplantationTissue DonorsLeukemiaTransplantation, HeterologousNAD+ NucleosidaseSpinal Cord RegenerationCell ProliferationB-LymphocytesDonor SelectionMyeloablative AgonistsInterleukin-2Blood DonorsFetal Stem CellsCell DivisionRecovery of FunctionMelphalanHistocompatibilityHematopoietic Stem Cell MobilizationInterferon-gammaThrombopoietinErythroid Precursor CellsT-Lymphocytes, CytotoxicAmniotic FluidMonocytes