Seminiferous TubulesSpermatogoniaSpermatogenesisTestisSertoli CellsSeminiferous EpitheliumSpermatidsKidney Tubules, ProximalSpermatozoaLeydig CellsKidney TubulesRete TestisBlood-Testis BarrierEpididymisCryptorchidismSperm CountOrchitisSpermatocytesMalpighian TubulesTestosteroneOrgan SizeInfertility, MaleKidney Tubules, DistalSexual MaturationGerm CellsTesticular DiseasesAntispermatogenic AgentsGenitalia, MaleTransilluminationFollicle Stimulating HormoneOrnipressinKidney Tubules, CollectingAndrogen-Binding ProteinSeminal VesiclesFertilityImmunohistochemistryVasectomyRats, Sprague-DawleyHistocytochemistryDibutyl Phthalate