spermatoblasticspermatocytalspermatocytespermatogenesisspermatogeneticspermatogenousspermatogenyspermatogonialspermatogoniumspermatoidspermatophorespermatorrheaspermatorrhoeaspermatozoalspermatozoanspermatozoidspermatozoonspermicspermicidesperminespermiogenesisspermoblastspermousspewsphacelatesphacelationsphacelussphagnumsphaleritesphenosphenoidsphenoidalspheresphere of activitysphere of influencesphericalspherical anglespherical shellspherical surfacesphericalitysphericallysphericityspheroidspheroidalspherometerspherulesphinctersphincteralsphinctericsphingomyelin