Sperm RetrievalEpididymisAzoospermiaOligospermiaTestisSpermatozoaTissue and Organ HarvestingSuctionPosthumous ConceptionSperm MaturationSperm Injections, IntracytoplasmicEjaculationInfertility, MaleSperm CountVasovasostomySemen PreservationSperm HeadReproductive TechniquesSperm MotilityMicrosurgeryTesticular DiseasesSperm CapacitationTuberculosis, Male GenitalKlinefelter SyndromeCryopreservationAutonomic DysreflexiaSpermatogenesisMicrodissectionInformation Storage and RetrievalSperm TransportFertilization in VitroReproductive Techniques, AssistedPregnancy RateGenitalia, MaleMental RecallEmbryo TransferPregnancyMicroinjectionsRete TestisSpecimen HandlingSperm-Ovum InteractionsAcrosomeSemenBiopsyEpididymal Secretory ProteinsVasectomyOocyte RetrievalFertilizationEjaculatory DuctsVas DeferensPregnancy OutcomeFollicle Stimulating HormoneEpididymitisFertilitySeminal VesiclesSperm MidpieceMemorySeminiferous TubulesBiopsy, NeedleSperm BanksSeminal Plasma ProteinsZona PellucidaTestosteroneSemen AnalysisOrchiectomyOrgan SizeBody FluidsAndrogensRetrospective StudiesAbstracting and Indexing as TopicOrchitisMemory, EpisodicContraceptive Agents, MaleSexual MaturationSeminiferous EpitheliumImmunohistochemistrySertoli CellsSemanticsOocytesSperm WhaleDevice Removal