TestisSpermatogenesisSertoli CellsSpermatogoniaLeydig CellsSpermatidsGerm CellsSpermatozoaSpermatocytesSeminiferous EpitheliumRete TestisSeminiferous TubulesSexual MaturationRNA, MessengerMolecular Sequence DataTesticular NeoplasmsTestosteroneGene Expression Regulation, DevelopmentalCryptorchidismBase SequenceIn Situ HybridizationAmino Acid SequenceSex Determination ProcessesInfertility, MaleInhibinsOvaryFetusImmunohistochemistryBlotting, NorthernReverse Transcriptase Polymerase Chain ReactionMeiosisOrgan SizeTissue DistributionOrgan SpecificityGene ExpressionCloning, MolecularDNA, ComplementaryCell DifferentiationStem CellsEpididymisSequence Homology, Amino AcidTesticular DiseasesTranscription FactorsAnimals, NewbornRats, Sprague-DawleyDNA-Binding ProteinsProteinsAgingBlotting, WesternMice, Inbred C57BLGene Expression RegulationMice, TransgenicSperm CountTranscription, GeneticDNA PrimersDNANuclear ProteinsChromosome MappingPregnancyCells, CulturedSpermatic Cord TorsionOrchitisGenitalia, MalePolymerase Chain ReactionScrotumPromoter Regions, GeneticBlood-Testis BarrierSex DifferentiationOrchiectomySex-Determining Region Y ProteinFertilitySeminal Vesicles