seminiferous tubules
Narrow, coiled tubules that produce sperm in the testes.
Seminferous tubules are coiled tubes that are present in the testicles of male reproductive system. These tubules are responsible for the production and transport of sperm cells. They are lined with spermatogenic cells that undergo meiotic division in order to produce haploid sperm cells. The cells also undergo a process called spermiogenesis, which is the process of differentiation of the haploid cells into mature sperm cells.
The seminiferous tubules are surrounded by myoid cells that contract rhythmically in order to help transport the sperm cells towards the epididymis. The interstitial cells of Leydig, present between the seminiferous tubules, produce and secrete the hormone testosterone, which is required for the development and maturation of sperm cells. The matured sperm cells are then stored in the epididymis until they are ejaculated during sexual intercourse.
In summary, seminiferous tubules are the major site for production of sperm cells and play a crucial role in the male reproductive system.
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