During puberty the spermatogonia located in the seminiferous tubules of the testis develop into primary spermatocytes. After the first meiotic division they are called secundary spermatocytes. A second meiotic division gives rise to spermatids with 23 chromosomes each. After a series of transformations the spermcell arises as you can see in the accompaning drawing.
After the first meiotic division they are called secundary spermatocytes. A second meiotic division gives rise to spermatids with 23 chromosomes each. After a series of transformations the spermcell arises as you can see in the accompaning drawing.
