Cord Blood Stem Cell TransplantationMesenchymal Stem Cell TransplantationMesenchymal Stromal CellsFetal BloodTransplantation, HomologousStem CellsSpinal CordCell DifferentiationHematopoietic Stem Cell TransplantationUmbilical CordBone Marrow CellsSpinal Cord InjuriesHematopoietic Stem CellsCells, CulturedStem Cell TransplantationGraft vs Host DiseaseBone Marrow TransplantationOsteogenesisChondrogenesisAdult Stem CellsCell ProliferationAntigens, CD34Transplantation ConditioningTissue EngineeringCell Culture TechniquesCell LineageBlood BanksFlow CytometryMultipotent Stem CellsCell SeparationCoculture TechniquesAdipogenesisInfant, NewbornGraft SurvivalHematologic NeoplasmsTissue ScaffoldsPlant StemsFetal Stem CellsImmunophenotypingTransplantation ChimeraNeoplastic Stem CellsT-LymphocytesMice, Inbred C57BL