Male Reproductive System

Primary Spermatocytes

The primary spermatocytes have moved away from the basal lamina. They undergo the first meiotic division. The prophase is fairly long and the chromosomes are condensed in a characteristic manner. These cells are protected by the blood testis barrier. Semi-thin section. Primary spermatocyte. Seminiferous epithelium. Testis. Male Reproductive System. Primate.