MegakaryocytesMegakaryocyte Progenitor CellsThrombopoietinHematopoietic Stem CellsThrombopoiesisBone Marrow CellsHematopoiesisColony-Forming Units AssayReceptors, ThrombopoietinHematopoietic SystemAntigens, CD34Cell DifferentiationInterleukin-3Stem CellsThrombocytopeniaBone MarrowStem Cell FactorPloidiesCells, CulturedBlood PlateletsCell LineageErythropoietinGranulocyte-Macrophage Colony-Stimulating FactorCell DivisionErythroid Precursor CellsRecombinant ProteinsMice, Inbred C57BLMyeloid Progenitor CellsMyelolipomaPlatelet CountFlow CytometrySpleenFetal BloodVascular Endothelial Growth Factor, Endocrine-Gland-DerivedHematopoiesis, ExtramedullaryThrombocytosisMice, TransgenicErythropoiesisNeural Stem CellsCell ProliferationPlatelet Membrane Glycoprotein IIbGene Expression Regulation, DevelopmentalMolecular Sequence DataHemocytesGATA1 Transcription FactorZebrafishMice, KnockoutBone Marrow TransplantationYolk SacMultipotent Stem CellsHematopoietic Stem Cell TransplantationCell SeparationSignal TransductionEndothelial CellsBase SequenceRadiation-Protective AgentsCell CountGranulocytesTranscription FactorsGranulocyte Colony-Stimulating FactorRNA, MessengerStem Cell TransplantationColony-Stimulating FactorsRetroviridaeMegakaryocyte-Erythroid Progenitor CellsPlatelet Factor 4Cell LineMice, SCIDReverse Transcriptase Polymerase Chain ReactionAntigens, CDProto-Oncogene ProteinsNeurogenesisHematopoietic Stem Cell MobilizationGene Expression RegulationGene ExpressionLymphoid Progenitor CellsAdult Stem CellsThymus GlandLymphoid TissueOrgan SpecificityBlood Cell CountLeukemiaAntigens, CD45DNA-Binding ProteinsNestinReceptors, CytokineLeukemia, MyeloidHematopoietic Cell Growth FactorsLiverFetusChemokine CXCL12Proto-Oncogene Proteins c-kitAmino Acid SequenceOligodendrogliaCell Culture TechniquesInterleukin-11RegenerationErythroid-Specific DNA-Binding FactorsCell MovementPolyploidy