Leydig CellsLeydig Cell TumorTestisTestosteroneChorionic Gonadotropin3-Hydroxysteroid DehydrogenasesReceptors, LHLuteinizing HormoneMesylatesSertoli CellsCholesterol Side-Chain Cleavage EnzymeSeminiferous TubulesSteroidsSteroid 17-alpha-HydroxylaseSpermatogenesisCryptorchidismTesticular NeoplasmsSexual MaturationPregnenoloneAntispermatogenic AgentsDibutyl Phthalate17-Hydroxysteroid DehydrogenasesAndrogensMenFollicle Stimulating HormoneDAX-1 Orphan Nuclear ReceptorCell CountOrgan SizeSeminiferous EpitheliumRats, Sprague-DawleyGonadotropinsAromataseSertoli-Leydig Cell TumorTesticular DiseasesAndrostane-3,17-diolTesticular HormonesCyclic AMPSertoli Cell TumorGenitalia, Male8-Bromo Cyclic Adenosine MonophosphateSperm CountImmunohistochemistryCells, CulturedDiethylhexyl PhthalateAndrostenedioneRats, Inbred StrainsSteroidogenic Factor 1RNA, MessengerHypogonadismFetusPhosphoproteinsDiethylstilbestrolProgesteroneAminoglutethimideSpermatozoaRats, Wistar