Stem CellsHematopoietic Stem CellsSperm CountSperm HeadCell DifferentiationSperm CapacitationAntigens, CD34Cell LineageMyeloid Progenitor CellsColony-Forming Units AssayBone Marrow CellsCells, CulturedNeural Stem CellsHematopoiesisCell ProliferationSperm MaturationEndothelial CellsStem Cell TransplantationMice, Inbred C57BLErythroid Precursor CellsMultipotent Stem CellsFlow CytometrySperm TransportNeurogenesisBone MarrowCell SeparationSperm-Ovum InteractionsLymphoid Progenitor CellsAdult Stem CellsSperm Injections, IntracytoplasmicGene Expression Regulation, DevelopmentalFetal BloodHematopoietic Stem Cell MobilizationMice, TransgenicAcrosomeCell CountNestinGranulocyte Colony-Stimulating FactorStem Cell FactorInfertility, MaleCell DivisionSperm MidpieceFertilizationOligodendrogliaRegenerationCell MovementSignal TransductionAntigens, CDNeuronsChemokine CXCL12GranulocytesInterleukin-3Mice, KnockoutSemenSperm BanksProto-Oncogene Proteins c-kitNeovascularization, PhysiologicHematopoietic Stem Cell TransplantationCell Culture TechniquesBasic Helix-Loop-Helix Transcription FactorsHomeodomain ProteinsSemen PreservationEpididymisFetal Stem CellsEmbryonic Stem CellsNerve Tissue ProteinsMesenchymal Stromal CellsGranulocyte-Macrophage Progenitor CellsBromodeoxyuridineImmunohistochemistryCell SurvivalErythropoiesisTime FactorsEmbryo, MammalianErythropoietinMegakaryocytesNeoplastic Stem CellsTranscription FactorsPhenotypeCryopreservationSemen AnalysisTestisZona PellucidaGreen Fluorescent ProteinsBiological MarkersHematopoietic Cell Growth FactorsLeukapheresisIntermediate Filament ProteinsReverse Transcriptase Polymerase Chain ReactionBlood CellsStem Cell NicheReceptors, NotchNeurogliaBone Marrow TransplantationGranulocyte-Macrophage Colony-Stimulating FactorMice, SCIDRecombinant ProteinsBlood Cell CountEjaculationApoptosis