Hematopoietic Stem CellsHematopoiesisCell LineageCell DifferentiationStem CellsPhylogenyOligodendrogliaMice, TransgenicB-LymphocytesGene Expression Regulation, DevelopmentalMice, Inbred C57BLBone Marrow CellsLymphopoiesisMolecular Sequence DataCells, CulturedTranscription FactorsThymus GlandEvolution, MolecularBase SequenceMice, KnockoutFlow CytometryMyeloid CellsBasic Helix-Loop-Helix Transcription FactorsHomeodomain ProteinsSignal TransductionPhenotypeEmbryonic Stem CellsUrochordataCell LineT-LymphocytesEmbryo, MammalianDNA-Binding ProteinsOsteoblastsGene Expression RegulationBiological EvolutionCell SeparationSequence Analysis, DNACell ProliferationCell DivisionReverse Transcriptase Polymerase Chain ReactionChimeraImmunohistochemistryBone MarrowRNA, MessengerMesodermGenetic VariationB-Cell-Specific Activator ProteinAmino Acid SequenceMacrophagesGene ExpressionPrecursor Cells, B-LymphoidReceptors, Antigen, T-Cell, gamma-deltaReceptors, Antigen, T-Cell, alpha-betaReceptors, Interleukin-7Green Fluorescent ProteinsGene Rearrangement, B-LymphocyteAntigens, CDMultipotent Stem CellsDNA PrimersGerm CellsSpleenCuprizoneMutationPolymerase Chain ReactionInterleukin-7EndodermCentral Nervous SystemMonocytesMegakaryocytesEmbryo, NonmammalianCoculture TechniquesImmunophenotypingSpecies SpecificityMesenchymal Stromal CellsTrans-ActivatorsEctodermMice, Inbred BALB CErythroid CellsMice, Mutant StrainsTranscription, GeneticMyelin SheathMorphogenesisNerve Tissue ProteinsIn Situ HybridizationOsteoclastsReceptors, NotchCell CountTime FactorsNeuronsDNA, MitochondrialCell Culture TechniquesBiological MarkersTransgenesColony-Forming Units AssayFluorescent Antibody TechniqueT-Lymphocyte SubsetsOrgan SpecificityB-Lymphocyte SubsetsClone CellsCell Movement