Where do the sperm cells mature? A textbook says they mature in the epididymis. However, sertoli cells are present in the seminiferous tubule. Where do the sperm cells mature? A textbook says they mature in the epididymis. However, sertoli cells are present in the seminiferous tubule, which nourish the developing the sperm cells until they are mature. Sertoli cells are present in the seminiferous tubule, not the epididymis. How can the sperm mature in the epididymis and still be nurtured by the sertoli cells, which are in the seminiferous tubule?

Expert Answers

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Sperm cells finish the maturation process in the epididymis, but they begin their journey in the seminiferous tubules. These tubules are located inside the testes where sperm production begins. The process of meiosis occurs here creating gametes. Sertoli cells and spermatogenic cells help create and nourish the newly forming sperm. These immature sperm leave the seminiferous tubule as spermatozoa and enter the epididymis. Here the spermatozoa grow a tail, finish maturing, and are stored until ejaculation. Remember that the sertoli cells are also known as nurse cells. They help to generate the spermatozoa and being the maturation process, but the final step in the stermatogenesis process takes place in the epididymis.
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