Sertoli Cell-Only SyndromeSertoli CellsSpermatogenesisTestisSyndromeSertoli Cell TumorSeminiferous TubulesSeminiferous EpitheliumBlood-Testis BarrierSpermatidsSpermatogoniaSpermatocytesLeydig CellsFollicle Stimulating HormoneSpermatozoaReceptors, FSHAndrogen-Binding ProteinCells, CulturedTestosteroneDown SyndromeTesticular HormonesMetabolic Syndrome XInhibins