Sertoli Cell-Only SyndromeSertoli CellsTestisSpermatogenesisSyndromeSertoli Cell TumorSeminiferous TubulesSeminiferous EpitheliumSpermatidsBlood-Testis BarrierLeydig CellsSpermatogoniaDown SyndromeSpermatocytesMetabolic Syndrome XFollicle Stimulating HormoneRete TestisSpermatozoaSexual MaturationCryptorchidismTestosteroneCells, CulturedReceptors, FSHNephrotic SyndromeTesticular DiseasesSjogren's SyndromeAndrogen-Binding ProteinRNA, MessengerGerm CellsTesticular HormonesImmunohistochemistryCell DifferentiationEpididymisInhibinsMolecular Sequence DataTurner SyndromeOrgan SizeRats, Sprague-DawleySperm CountSperm MaturationClusterinInfertility, MaleAbnormalities, Multiple