Fetal BloodSpinal CordSpinal Cord InjuriesHematopoietic Stem CellsUmbilical CordAntigens, CD34Stem CellsBlood BanksInfant, NewbornCell DifferentiationPregnancyCell LineageColony-Forming Units AssayCells, CulturedBone Marrow CellsMyeloid Progenitor CellsHematopoiesisHematopoietic Stem Cell TransplantationMaternal-Fetal ExchangeCell SeparationFlow CytometrySpinal Cord DiseasesSpinal Cord CompressionAntigens, CDErythroid Precursor CellsCell Culture TechniquesMice, SCIDStem Cell FactorCell ProliferationImmunophenotypingSpermatic CordMice, Inbred NODCord Blood Stem Cell TransplantationSpinal Cord IschemiaSpinal Cord NeoplasmsAntigens, CD38Stem Cell TransplantationBlood CellsNeural Stem CellsLymphoid Progenitor CellsADP-ribosyl CyclaseBlood PreservationCell DivisionHistocompatibility TestingTime FactorsMaternal ExposureCell CountBone MarrowFetal Stem CellsBlood Cell CountMultipotent Stem CellsGraft vs Host DiseaseFetusMice, Inbred C57BLMesenchymal Stromal CellsAntigens, CD45Gene Expression Regulation, DevelopmentalEndothelial CellsLeukocytes, MononuclearGraft SurvivalMegakaryocytesNeuronsHematologic NeoplasmsThrombopoietinPlacentaGestational AgeCord FactorsTransplantation ConditioningCoculture TechniquesMice, TransgenicHematopoietic Cell Growth FactorsNeurogenesisNuchal CordNAD+ NucleosidaseParaplegiaTransplantation, HomologousGranulocyte-Macrophage Progenitor CellsBiological MarkersTransplantation ChimeraT-LymphocytesSignal TransductionGranulocytesImmunohistochemistryErythropoiesisCell MovementHomeodomain ProteinsTransplantation, HeterologousAntigens, DifferentiationPhenotypeGranulocyte Colony-Stimulating FactorHematopoietic Stem Cell MobilizationVocal CordsGranulocyte-Macrophage Colony-Stimulating FactorCell SurvivalNerve Tissue ProteinsCytokinesCulture Media, Serum-FreeStromal CellsProto-Oncogene Proteins c-kitRegeneration