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(ii) Explain the role of hormones in spermatogenesis.

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Hormonal regulation is crucial for the proper initiation and maintenance of spermatogenesis.
Updated On: Jan 13, 2026
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Solution and Explanation

Spermatogenesis is critically dependent on hormonal regulation. The key hormones involved are: \begin{itemize} \item GnRH (Gonadotropin-Releasing Hormone): Released by the hypothalamus, it signals the anterior pituitary to secrete FSH and LH. \item FSH (Follicle-Stimulating Hormone): It acts on Sertoli cells, supporting spermatogenesis and the production of androgen-binding protein (ABP). ABP is vital for maintaining elevated testosterone concentrations within the seminiferous tubules. \item LH (Luteinizing Hormone): It stimulates Leydig cells in the testes, promoting testosterone production. \item Testosterone: Crucial for sperm maturation and provides negative feedback on GnRH, FSH, and LH secretion. \item Inhibin: Produced by Sertoli cells, it selectively suppresses FSH release, contributing to hormonal equilibrium. \item Prolactin: Augments Leydig cell responsiveness to LH, thereby indirectly supporting testosterone synthesis. \end{itemize}Imbalances in these hormonal levels can compromise sperm generation and result in infertility. Hormonal interventions can be employed to re-establish balance and facilitate normal spermatogenesis.% Quick tip
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