A number of hormonal secretions begin or increase during puberty. Which hormone appears to initiate the process of puberty in males?
A
Testosterone
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B
Luteinizing hormone
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C
Gonadotrophin releasing hormone
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D
Follicle stimulating hormone
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Solution
The correct option is C
Gonadotrophin releasing hormone
Spermatogenesis starts at the age of puberty due to significant increase in the secretion of gonadotropin releasing hormone (GnRH), a hypothalamic hormone. The increased levels of GnRH then acts on the anterior pituitary gland and stimulates secretion of two gonadotropins - luteinising hormone (LH) and follicle stimulating hormone (FSH).