TestisRete TestisSpermatogenesisSertoli CellsCryptorchidismLeydig CellsSensitivity and SpecificityDiagnostic ErrorsSpermatidsSpermatozoaDiagnostic Tests, RoutineSpermatogoniaDiagnostic Techniques and ProceduresDiagnostic ImagingEpididymisSeminiferous EpitheliumTesticular DiseasesTestosteroneSpermatocytesTesticular NeoplasmsReagent Kits, DiagnosticReproducibility of ResultsMolecular Sequence DataSperm CountOrgan SizeInfertility, MaleMolecular Diagnostic TechniquesScrotumPredictive Value of TestsSpermatic Cord TorsionOrchitisImmunohistochemistryGenitalia, MaleGerm CellsRNA, MessengerSexual MaturationROC CurveDiagnostic and Statistical Manual of Mental DisordersDiagnostic ServicesBase SequenceTissue DistributionAmino Acid SequenceReverse Transcriptase Polymerase Chain ReactionBlood-Testis BarrierPolymerase Chain ReactionOrgan SpecificitySex DifferentiationRetrospective StudiesOvaryOrchiectomyTomography, X-Ray ComputedBiopsyTime FactorsBiological MarkersFertilitySex-Determining Region Y ProteinDNA, ComplementarySeminal VesiclesIn Situ HybridizationDiagnosisProspective StudiesFollicle Stimulating HormoneClinical Laboratory TechniquesGonadsSex Determination ProcessesSertoli Cell TumorOrchiopexyDibutyl PhthalateCloning, MolecularGene ExpressionGene Expression Regulation, DevelopmentalPregnancySperm MotilityRats, Sprague-DawleyBlotting, NorthernSeminomaLuteinizing HormoneTumor Markers, BiologicalMagnetic Resonance ImagingBiopsy, NeedleFalse Positive ReactionsTesticular HormonesVaricoceleSperm MaturationGene Expression ProfilingEnzyme-Linked Immunosorbent AssayDiagnosis, Computer-AssistedFalse Negative ReactionsInhibinsEpididymitisPrognosisSequence Homology, Amino AcidSpermatic CordMeiosisObserver VariationReproductionSOX9 Transcription FactorImmunoassayGenes, sryAzoospermia