In the testis, haploid number of chromosomes are present in
Inderbir Singh's Human embryology; Tenth edition; Pg 20 Primary spermatocyte undergoes meiotic division to form secondary spermatocytes Each secondary spermatocyte divides to form two spermatids by a mitotic division which also contains a haploid number of chromosomes
Spermatogonia - Type A
Primary spermatocyte
Spermatids
Spermatogonia - Type B
General anatomy