SpermatogenesisTestisSpermatidsSpermatocytesSeminiferous TubulesSertoli CellsSpermatogoniaSpermatozoaInfertility, MaleSeminiferous EpitheliumSperm CountFertilityOligospermiaAzoospermiaBlood-Testis BarrierGerm CellsMeiosisTestosteroneNerve BlockContraceptive Agents, MaleLeydig CellsEpididymisHeart BlockCryptorchidismOrgan SizeSpermatogenesis-Blocking AgentsPachytene StageMolecular Sequence DataSperm MotilityFollicle Stimulating HormoneSexual MaturationAntispermatogenic AgentsAmino Acid SequenceTesticular DiseasesChromosomes, Human, YProtaminesSperm TailRNA, MessengerGene Expression Regulation, DevelopmentalSperm MaturationY ChromosomeBase SequenceSertoli Cell-Only SyndromeSperm HeadVaricoceleMeiotic Prophase IAcrosomeSeminal VesiclesGonadotropinsOogenesisMice, KnockoutImmunohistochemistryGametogenesisMutationLuteinizing HormoneMice, Inbred C57BLInhibinsModels, ChemicalSemenReverse Transcriptase Polymerase Chain ReactionGenitalia, MaleSeminal Plasma ProteinsProteinsGene ExpressionRats, Sprague-DawleyIn Situ HybridizationHaploidyDisorders of Sex DevelopmentGene Expression RegulationAndrogensCyclic AMP Response Element ModulatorTime FactorsCell DifferentiationChemical PhenomenaHypogonadismRNA-Binding ProteinsApoptosisReproductionNuclear ProteinsMice, Mutant StrainsReceptors, FSHMice, TransgenicSex ChromosomesCyclin A1AnguillaOrgan SpecificityMultiple Chemical SensitivityLepidiumModels, BiologicalSemen AnalysisCells, CulturedSex Chromosome Disorders of Sex DevelopmentBundle-Branch BlockDNA-Binding ProteinsDrosophila ProteinsFertility Agents, MaleDNATranscription FactorsSperm RetrievalMagnetic Resonance Spectroscopy