Fetal BloodHematopoietic Stem CellsCord Blood Stem Cell TransplantationUmbilical CordHematopoietic Stem Cell TransplantationAntigens, CD34Stem CellsBlood BanksCell DifferentiationUmbilical VeinsColony-Forming Units AssayHematopoiesisUmbilical ArteriesCell LineageCells, CulturedBone Marrow CellsInfant, NewbornPregnancyCell SeparationSpinal CordFlow CytometryStem Cell TransplantationMesenchymal Stromal CellsHematopoietic Stem Cell MobilizationCell ProliferationMyeloid Progenitor CellsTransplantation, HomologousAntigens, CDMice, SCIDGraft vs Host DiseaseCell Culture TechniquesStem Cell FactorTransplantation ConditioningBone MarrowFetal Stem CellsEndothelial CellsMultipotent Stem CellsMice, Inbred NODMice, Inbred C57BLHematologic NeoplasmsAntigens, CD38Spinal Cord InjuriesImmunophenotypingErythroid Precursor CellsAdult Stem CellsMaternal-Fetal ExchangeNeural Stem CellsHistocompatibility TestingBlood Cell CountGraft SurvivalBlood CellsCell DivisionBlood PreservationFetusStem Cell NicheTransplantation ChimeraTime FactorsADP-ribosyl CyclaseCell CountCoculture TechniquesHernia, UmbilicalGranulocyte Colony-Stimulating FactorLeukemiaBone Marrow TransplantationProto-Oncogene Proteins c-kitCell MovementNeoplastic Stem CellsGranulocyte-Macrophage Progenitor CellsGestational AgeStromal CellsPlacentaCell SurvivalAntigens, CD45Transplantation, AutologousHematopoietic Cell Growth FactorsThrombopoietinSignal TransductionTransplantation, HeterologousBiological MarkersInterleukin-3Urachal CystNAD+ NucleosidaseTransduction, GeneticMegakaryocytesLymphoid Progenitor CellsMice, TransgenicUnrelated DonorsDonor SelectionReverse Transcriptase Polymerase Chain ReactionTissue DonorsGranulocytesHematologic DiseasesNeovascularization, PhysiologicChemokine CXCL12Gene Expression Regulation, DevelopmentalMesenchymal Stem Cell TransplantationLeukocytes, MononuclearRetroviridaePhenotypeMyeloablative Agonists