MegakaryocytesThrombopoietinBone Marrow CellsBone MarrowPlatelet CountBlood PlateletsThrombocytopeniaHematopoiesisBone Marrow TransplantationPloidiesThrombopoiesisBone and BonesHematopoietic Stem CellsReceptors, CytokineBone RemodelingBone Marrow ExaminationBone Marrow DiseasesMegakaryocyte Progenitor CellsBone Marrow NeoplasmsCell DifferentiationThrombocytosisAntigens, CD34Bone DensityColony-Forming Units AssayCells, CulturedBone ResorptionMice, Inbred C57BLStem Cell FactorBone Marrow PurgingPrimary MyelofibrosisInterleukin-3Receptors, ThrombopoietinFlow CytometryBone NeoplasmsWhole-Body IrradiationPlatelet Membrane Glycoprotein IIbPurpura, Thrombocytopenic, IdiopathicThrombocythemia, EssentialTransplantation, HomologousStromal CellsNeoplasm ProteinsBone DevelopmentInterleukin-11Anemia, AplasticCell LineageMyeloproliferative DisordersProto-Oncogene ProteinsSpleenRecombinant ProteinsNF-E2 Transcription FactorBone DiseasesNF-E2 Transcription Factor, p45 SubunitCell DivisionLeukemia, Megakaryoblastic, AcutePancytopeniaFetal BloodCell SeparationGranulocytesBlood Cell CountRadiation ChimeraErythropoiesisErythropoietinGATA1 Transcription FactorBlood CellsBone RegenerationMice, Knockout