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Q7.  Name the hormones involved in regulation of spermatogenesis.

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Spermatogenesis is initiated due to an increase in the secretion of gonadotropin-releasing hormone by the hypothalamus. An increase in GnRH acts on the anterior pituitary and stimulates the secretion of two gonadotropins, LH (luteinizing hormone) and FSH (follicular stimulating hormone). Among these, LH acts on Leydig cells and stimulates them to secrete androgens whereas FSH acts on Sertoli cells and stimulates the secretion of some factors which help in spermiogenesis.

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