Fetal BloodSpinal CordSpinal Cord InjuriesUmbilical CordBlood BanksInfant, NewbornAntigens, CD34Hematopoietic Stem CellsPregnancyMaternal-Fetal ExchangeSpinal Cord DiseasesSpinal Cord CompressionHematopoietic Stem Cell TransplantationCells, CulturedSpermatic CordSpinal Cord IschemiaSpinal Cord NeoplasmsCell DifferentiationCord Blood Stem Cell TransplantationMice, SCIDColony-Forming Units AssayBlood PreservationCell SeparationHistocompatibility TestingMice, Inbred NODImmunophenotypingMaternal ExposureCell Culture TechniquesFlow CytometryAntigens, CDAntigens, CD38Graft vs Host DiseaseADP-ribosyl CyclaseCord FactorsStem CellsPlacentaBone Marrow CellsNuchal CordHematologic NeoplasmsTransplantation ConditioningParaplegiaGestational AgeBlood CellsCell LineageLeukocytes, MononuclearHematopoiesisTime FactorsStem Cell FactorGraft SurvivalVocal CordsBlood Cell CountTransplantation, HomologousFetusAntigens, CD45Unrelated DonorsTransplantation ChimeraNAD+ NucleosidaseDirected Tissue DonationSpinal Cord RegenerationDonor SelectionFetal Stem CellsCryopreservationTissue DonorsHLA AntigensAmniotic FluidT-LymphocytesErythroid Precursor CellsMesenchymal Stromal CellsCoculture TechniquesTransplantation, HeterologousMotor NeuronsBirth WeightThrombopoietinHistocompatibilityCalciumPregnancy Complications, ParasiticBlood DonorsCervical VertebraeCytokinesLymphocyte ActivationMaternal-Fetal RelationsPrenatal Exposure Delayed EffectsInfant, PrematureRats, Sprague-DawleyAntigens, CD7AllograftsLeukemiaCell ProliferationEnvironmental PollutantsLymphocytesQuadriplegiaCulture Media, Serum-FreeInfant, Newborn, DiseasesRecovery of FunctionBlood Specimen CollectionCell DivisionStem Cell TransplantationMegakaryocytesPregnancy Complications, InfectiousPregnancy Trimester, Third