Fetal BloodSpinal CordSpinal Cord InjuriesUmbilical CordBlood BanksInfant, NewbornAntigens, CD34Hematopoietic Stem CellsPregnancyMaternal-Fetal ExchangeSpinal Cord DiseasesSpinal Cord CompressionHematopoietic Stem Cell TransplantationSpermatic CordCells, CulturedSpinal Cord IschemiaSpinal Cord NeoplasmsCell DifferentiationCord Blood Stem Cell TransplantationMice, SCIDColony-Forming Units AssayCell SeparationHistocompatibility TestingBlood PreservationMice, Inbred NODImmunophenotypingMaternal ExposureCell Culture TechniquesFlow CytometryAntigens, CDGraft vs Host DiseaseAntigens, CD38ADP-ribosyl CyclaseCord FactorsStem CellsPlacentaBone Marrow CellsNuchal CordHematologic NeoplasmsTransplantation ConditioningParaplegiaBlood CellsCell LineageGestational AgeLeukocytes, MononuclearHematopoiesisTime FactorsStem Cell FactorGraft SurvivalBlood Cell CountVocal CordsTransplantation, HomologousAntigens, CD45Unrelated DonorsFetusTransplantation ChimeraDirected Tissue DonationNAD+ NucleosidaseSpinal Cord RegenerationDonor SelectionCryopreservationFetal Stem CellsTissue DonorsHLA AntigensAmniotic FluidErythroid Precursor CellsMesenchymal Stromal CellsT-LymphocytesTransplantation, HeterologousCoculture TechniquesMotor NeuronsBirth WeightThrombopoietinBlood Specimen CollectionHistocompatibilityBlood DonorsPregnancy Complications, ParasiticCervical VertebraeCytokinesMaternal-Fetal RelationsPrenatal Exposure Delayed EffectsLymphocyte ActivationEnvironmental PollutantsInfant, PrematureAntigens, CD7AllograftsLeukemiaQuadriplegiaInfant, Newborn, DiseasesRecovery of FunctionCell ProliferationLymphocytesCulture Media, Serum-FreeStem Cell TransplantationTreatment OutcomeCell DivisionPregnancy Complications, InfectiousBiological MarkersRats, Sprague-DawleyPregnancy Trimester, Third