Blood BanksCord Blood Stem Cell TransplantationFetal BloodUmbilical CordSpinal CordBlood DonorsBlood TransfusionTransplantation, HomologousHematopoietic Stem Cell TransplantationBlood Grouping and CrossmatchingLiver TransplantationInfant, NewbornUmbilical VeinsAntigens, CD34CytapheresisBlood PreservationBlood Buffy CoatDonor SelectionUmbilical ArteriesHematopoietic Stem CellsSpinal Cord InjuriesPregnancyHistocompatibility TestingTransplantation ConditioningKidney TransplantationBone Marrow TransplantationBlood Transfusion, AutologousGraft SurvivalGraft vs Host DiseaseStem Cell TransplantationTransplantation, AutologousCells, CulturedMaternal-Fetal ExchangeTransplantation ChimeraTissue DonorsHeart TransplantationCell DifferentiationLung TransplantationCell SeparationHematologic NeoplasmsMesenchymal Stromal CellsCell Culture TechniquesColony-Forming Units AssayStem CellsTime FactorsMice, SCIDRetrospective StudiesAntigens, CDCell TransplantationFlow CytometryImmunophenotypingTreatment OutcomeBlood Loss, SurgicalHernia, UmbilicalMice, Inbred NODGestational AgeBone Marrow CellsOrgan TransplantationAntigens, CD38PlacentaUnrelated DonorsTransplantation, HeterologousGraft RejectionNuchal CordBlood Cell CountCell LineageIntensive Care UnitsHematopoiesisTransplantation ImmunologyADP-ribosyl CyclaseUrachal CystFetusPancreas TransplantationHLA AntigensBlood CellsLeukemiaMyeloablative AgonistsImmunosuppressive AgentsIslets of Langerhans TransplantationFetal Stem CellsCryopreservationTransplantationHistocompatibilityLeukocytes, MononuclearMesenchymal Stem Cell TransplantationHematologic DiseasesCoculture TechniquesNAD+ NucleosidaseTransplantsMaternal ExposureWharton JellyAmniotic FluidEndothelial CellsStem Cell FactorAntigens, CD45Anemia, AplasticCell ProliferationFetal Tissue TransplantationT-LymphocytesHuman Umbilical Vein Endothelial Cells