<P> Spermatogenesis is the process by which haploid spermatozoa develop from germ cells in the seminiferous tubules of the testis . This process starts with the mitotic division of the stem cells located close to the basement membrane of the tubules . These cells are called spermatogonial stem cells . The mitotic division of these produces two types of cells . Type A cells replenish the stem cells , and type B cells differentiate into spermatocytes . The primary spermatocyte divides meiotically ( Meiosis I ) into two secondary spermatocytes ; each secondary spermatocyte divides into two equal haploid spermatids by Meiosis II. The spermatids are transformed into spermatozoa ( sperm ) by the process called Spermiogenesis. These develop into mature spermatozoa , also known as sperm cells . Thus , the primary spermatocyte gives rise to two cells , the secondary spermatocytes , and the two secondary spermatocytes by their subdivision produce four spermatozoa . </P>
<P> Spermatogenesis is the process by which haploid spermatozoa develop from germ cells in the seminiferous tubules of the testis . This process starts with the mitotic division of the stem cells located close to the basement membrane of the tubules . These cells are called spermatogonial stem cells . The mitotic division of these produces two types of cells . Type A cells replenish the stem cells , and type B cells differentiate into spermatocytes . The primary spermatocyte divides meiotically ( Meiosis I ) into two secondary spermatocytes ; each secondary spermatocyte divides into two equal haploid spermatids by Meiosis II. The spermatids are transformed into spermatozoa ( sperm ) by the process called Spermiogenesis. These develop into mature spermatozoa , also known as sperm cells . Thus , the primary spermatocyte gives rise to two cells , the secondary spermatocytes , and the two secondary spermatocytes by their subdivision produce four spermatozoa . </P>
the process of sperm production takes place in
the process of sperm production takes place in
seminiferous tubules of the testis
seminiferous tubules of the testis