Primary spermatocytes undergo meiosis as the cells successively pass through the preleptotene, leptotene, zygotene, and pachytene stages to become secondary spermatocytes

مهمان عزیز شما حق دیدن لینک ها را ندارید برای استفاده از امکانات کامل انجمن عضو شوید

عضویت

Between study activation in May 2002 and closure of the six cycle arms in February 2008, a total of 3, 171 patients were accrued