Question

Give the names and functions of the hormones involved in the process of spermatogenesis. Write the names of the endocrine glands from where they are released.

Answer 1

Spermatogenesis starts at the age of puberty due to significant increase in the secretion of gonadotropin-releasing hormone (GnRH). This is a hypothalamic hormone.

• The increased levels of GnRH then acts at the anterior pituitary gland and stimulates secretion of two gonadotropins leutinising hormone (LH) and follicle-stimulating hormone (FSH).
• LH acts at the Leydig cells and stimulates synthesis and secretion of androgens. Androgens, in turn, stimulate the process of spermatogenesis.
• FSH acts on the Sertoli cells and stimulates secretion of some factors which help in the process of spermiogenesis.