Spermatogenesis Cyoclasm ot T1可t junction beceeen e用ct】 ustrtAoUM ce当nearcnt Sustertaculat cell nocleva 0aC时行eA0e o0 nium rem4rs解6aW and as a precursor col 0集er cel type B spommogoniim Moves to Beuminal compartment Prierary soermaceyi Copyright 2001 Benjamin Cummings,an iprint of Addon Wesley Longman,incSpermatogenesis