PancytopeniaBone MarrowBone Marrow CellsBone Marrow TransplantationBone and BonesBone Marrow DiseasesBone Marrow ExaminationAnemia, AplasticBone RemodelingHematopoietic Stem CellsBone Marrow NeoplasmsBone DensityLymphohistiocytosis, HemophagocyticHypersplenismHematopoiesisBone ResorptionBone Marrow PurgingHistiocytosis, Non-Langerhans-CellMyelodysplastic SyndromesTransplantation, HomologousAnemia, MegaloblasticColony-Forming Units AssayBone NeoplasmsMice, Inbred C57BLBlood Cell CountFatal OutcomeBone DevelopmentBone DiseasesCell DifferentiationLeukemiaGraft vs Host DiseaseAnemia, MacrocyticPrimary MyelofibrosisHemoglobinuria, ParoxysmalBone RegenerationThrombocytopeniaSplenomegalyCells, CulturedSpleenWhole-Body IrradiationTransplantation, AutologousHematopoietic Stem Cell TransplantationLymphomatoid GranulomatosisRadiation ChimeraStromal CellsFanconi AnemiaTuberculosis, MiliaryLeukemia, Myeloid, AcuteOsteogenesisFlow CytometryHematologic DiseasesGranulocyte Colony-Stimulating FactorBone MatrixThrombopoietinBone TransplantationAntigens, CD34GranulocytesLeishmaniasis, VisceralLeukocyte CountTachycardia, SinusTreatment OutcomeLeukopeniaOsteoblasts