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 AssayHistocompatibility TestingBlood PreservationCell SeparationMice, Inbred NODImmunophenotypingMaternal ExposureCell Culture TechniquesFlow CytometryAntigens, CDGraft vs Host DiseaseAntigens, CD38ADP-ribosyl CyclaseCord FactorsStem CellsPlacentaBone Marrow CellsNuchal CordHematologic NeoplasmsTransplantation ConditioningParaplegiaBlood CellsCell LineageGestational AgeLeukocytes, MononuclearHematopoiesisStem Cell FactorGraft SurvivalVocal CordsBlood Cell CountTime FactorsTransplantation, HomologousAntigens, CD45Unrelated DonorsFetusTransplantation ChimeraDirected Tissue DonationNAD+ NucleosidaseSpinal Cord RegenerationDonor SelectionFetal Stem CellsTissue DonorsCryopreservationHLA AntigensAmniotic FluidErythroid Precursor CellsMesenchymal Stromal CellsT-LymphocytesTransplantation, HeterologousCoculture TechniquesMotor NeuronsBirth WeightThrombopoietinHistocompatibilityPregnancy Complications, ParasiticCervical VertebraeCytokinesMaternal-Fetal RelationsPrenatal Exposure Delayed EffectsLymphocyte ActivationBlood DonorsInfant, PrematureAntigens, CD7AllograftsLeukemiaQuadriplegiaInfant, Newborn, DiseasesEnvironmental PollutantsRecovery of FunctionCell ProliferationLymphocytesCulture Media, Serum-FreeBlood Specimen CollectionStem Cell TransplantationCell DivisionPregnancy Complications, InfectiousPregnancy Trimester, ThirdMegakaryocytesInfectious Disease Transmission, VerticalInterleukin Receptor Common gamma Subunit