PancytopeniaBone MarrowBone Marrow CellsBone Marrow TransplantationBiopsyHematopoietic Stem CellsBone and BonesBone Marrow DiseasesAnemia, AplasticBone Marrow ExaminationLymphohistiocytosis, HemophagocyticHypersplenismHistiocytosis, Non-Langerhans-CellAnemia, MegaloblasticBone RemodelingMyelodysplastic SyndromesFatal OutcomeBone Marrow NeoplasmsHematopoiesisBiopsy, NeedleAnemia, MacrocyticBlood Cell CountBone DensityLymphomatoid GranulomatosisTransplantation, HomologousHemoglobinuria, ParoxysmalTuberculosis, MiliarySplenomegalyColony-Forming Units AssayBone ResorptionThrombocytopeniaPrimary MyelofibrosisBone Marrow PurgingFanconi AnemiaMice, Inbred C57BLTachycardia, Sinus