Leydig CellsSkin AbsorptionLeydig Cell TumorAdministration, CutaneousTransdermal PatchDiffusion Chambers, CultureAdministration, BuccalChemistry, PharmaceuticalTestisEmulsionsPermeabilityTestosteroneAdministration, TopicalSkinDrug CompoundingDrug Delivery SystemsChorionic GonadotropinParticle SizeReceptors, LH3-Hydroxysteroid DehydrogenasesSertoli CellsLuteinizing HormoneDrug CarriersMesylatesDiffusionCholesterol Side-Chain Cleavage EnzymeSteroidsSeminiferous TubulesSteroid 17-alpha-HydroxylaseSpermatogenesisTesticular NeoplasmsCryptorchidismSexual MaturationPregnenoloneAntispermatogenic AgentsDibutyl Phthalate17-Hydroxysteroid DehydrogenasesDAX-1 Orphan Nuclear ReceptorAndrogensFollicle Stimulating HormoneSertoli-Leydig Cell TumorCell CountOrgan SizeSeminiferous EpitheliumRats, Sprague-DawleyCyclic AMPAromataseGonadotropinsTesticular DiseasesSteroidogenic Factor 1Sertoli Cell Tumor8-Bromo Cyclic Adenosine MonophosphateTesticular HormonesProgesteroneGenitalia, MaleDiethylhexyl PhthalateAndrostane-3,17-diolImmunohistochemistryAndrostenedioneCells, CulturedBucladesineRNA, MessengerPhosphoproteinsRats, Inbred StrainsAminoglutethimideSperm Count