Umbilical CordCalcium PhosphatesBone CementsAdult Stem CellsTissue ScaffoldsStem CellsTissue DonorsHematopoietic Stem Cell TransplantationDonor SelectionHematopoietic Stem Cell MobilizationStem Cell TransplantationHematopoietic Stem CellsTransplantation, HomologousEmbryonic Stem CellsFetal BloodCell DifferentiationGranulocyte Colony-Stimulating FactorPluripotent Stem CellsMultipotent Stem CellsMesenchymal Stromal CellsStem Cell NicheUmbilical VeinsCell LineageCord Blood Stem Cell TransplantationMesenchymal Stem Cell TransplantationUmbilical ArteriesCells, CulturedInduced Pluripotent Stem CellsNeural Stem CellsRegenerationPlanariansStem Cell ResearchCell ProliferationSpinal CordStem Cell FactorCell Culture TechniquesRegenerative MedicineFetal Stem CellsBone Marrow CellsHistocompatibility TestingCell SeparationCell- and Tissue-Based TherapyNeoplastic Stem CellsAntigens, CD34Spinal Cord InjuriesTissue EngineeringFlow CytometryOctamer Transcription Factor-3Plant StemsPregnancyBlood DonorsSignal TransductionHair FollicleHernia, UmbilicalSpermatogoniaMice, Inbred C57BLColony-Forming Units AssayCell TransplantationTransplantation, AutologousChondrogenesisEmbryo, MammalianGerm CellsHematopoiesisAging, PrematureCell AgingGene Expression Regulation, DevelopmentalCoculture TechniquesLymphocytesReverse Transcriptase Polymerase Chain ReactionBlood BanksDental PulpSOXB1 Transcription FactorsSpleenBiological MarkersLiving DonorsInfant, NewbornUrachal CystT-LymphocytesModels, BiologicalTime FactorsStromal CellsCell DivisionGene Expression ProfilingImmunohistochemistryCell DedifferentiationGene Expression RegulationGreen Fluorescent ProteinsCell LinePhenotypeNestinAntigens, CDMice, SCIDAdipogenesisCell SurvivalWharton JellyPeripheral Blood Stem Cell TransplantationBone Marrow TransplantationNeuronsMice, TransgenicGraft vs Host Disease