
Spermatogenesis is the process whereby spermatozoa are formed. Spermatogenesis has two stages: spermatocytogenesis and spermiogenesis. Spermatocytogenesis is the first stage of spermatogenesis, whereby spermatogonia develop into spermatocytes and eventually spermatids. Spermatogonia are the germ cells of spermatozoa. Type A dark (Ad) spermatogonia undergo mitotic division at irregular intervals giving rise to either a pair of […]Beitrag lesen