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What initiates the process of spermatogenesis in males at puberty?
- a)Increase in testosterone levels
- b)Secretion of follicle stimulating hormone (FSH)
- c)Secretion of luteinising hormone (LH)
- d)Secretion of gonadotropin releasing hormone (GnRH)
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
What initiates the process of spermatogenesis in males at puberty?a) I...
Spermatogenesis commences in males at puberty due to a significant increase in the secretion of gonadotropin releasing hormone (GnRH). GnRH acts on the anterior pituitary gland, leading to the secretion of luteinising hormone (LH) and follicle stimulating hormone (FSH). LH stimulates the Leydig cells to produce androgens, which then stimulate spermatogenesis. FSH, on the other hand, acts on the Sertoli cells to facilitate the process of spermiogenesis.
Most Upvoted Answer
What initiates the process of spermatogenesis in males at puberty?a) I...
Initiation of Spermatogenesis at Puberty
Spermatogenesis is the process of sperm cell development, and its initiation during puberty is a crucial aspect of male reproductive health. The triggering mechanism involves several hormones, but the primary initiator is the secretion of Gonadotropin-Releasing Hormone (GnRH).
Role of GnRH
- Location of Secretion: GnRH is produced in the hypothalamus.
- Function: It stimulates the anterior pituitary gland to release two key hormones: Luteinizing Hormone (LH) and Follicle Stimulating Hormone (FSH).
Subsequent Hormonal Cascade
- Follicle Stimulating Hormone (FSH):
- Stimulates Sertoli cells in the testes.
- Promotes the maturation of sperm cells and supports spermatogenesis.
- Luteinizing Hormone (LH):
- Stimulates Leydig cells in the testes to produce testosterone.
- Testosterone plays a vital role in the development of male secondary sexual characteristics and further supports spermatogenesis.
Significance of Increased Testosterone Levels
- While testosterone is crucial for the process, it is the increase in GnRH that sets off the hormonal cascade.
- Testosterone’s effects are felt after the initial stimulation by GnRH, making it a secondary player in the initiation.
Conclusion
In summary, the initiation of spermatogenesis at puberty is primarily driven by the secretion of Gonadotropin-Releasing Hormone (GnRH), which subsequently leads to increased levels of FSH and LH, and eventually testosterone. This interplay of hormones is essential for the development of male fertility.
Spermatogenesis is the process of sperm cell development, and its initiation during puberty is a crucial aspect of male reproductive health. The triggering mechanism involves several hormones, but the primary initiator is the secretion of Gonadotropin-Releasing Hormone (GnRH).
Role of GnRH
- Location of Secretion: GnRH is produced in the hypothalamus.
- Function: It stimulates the anterior pituitary gland to release two key hormones: Luteinizing Hormone (LH) and Follicle Stimulating Hormone (FSH).
Subsequent Hormonal Cascade
- Follicle Stimulating Hormone (FSH):
- Stimulates Sertoli cells in the testes.
- Promotes the maturation of sperm cells and supports spermatogenesis.
- Luteinizing Hormone (LH):
- Stimulates Leydig cells in the testes to produce testosterone.
- Testosterone plays a vital role in the development of male secondary sexual characteristics and further supports spermatogenesis.
Significance of Increased Testosterone Levels
- While testosterone is crucial for the process, it is the increase in GnRH that sets off the hormonal cascade.
- Testosterone’s effects are felt after the initial stimulation by GnRH, making it a secondary player in the initiation.
Conclusion
In summary, the initiation of spermatogenesis at puberty is primarily driven by the secretion of Gonadotropin-Releasing Hormone (GnRH), which subsequently leads to increased levels of FSH and LH, and eventually testosterone. This interplay of hormones is essential for the development of male fertility.
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What initiates the process of spermatogenesis in males at puberty?a) Increase in testosterone levelsb) Secretion of follicle stimulating hormone (FSH)c) Secretion of luteinising hormone (LH)d) Secretion of gonadotropin releasing hormone (GnRH)Correct answer is option 'D'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What initiates the process of spermatogenesis in males at puberty?a) Increase in testosterone levelsb) Secretion of follicle stimulating hormone (FSH)c) Secretion of luteinising hormone (LH)d) Secretion of gonadotropin releasing hormone (GnRH)Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What initiates the process of spermatogenesis in males at puberty?a) Increase in testosterone levelsb) Secretion of follicle stimulating hormone (FSH)c) Secretion of luteinising hormone (LH)d) Secretion of gonadotropin releasing hormone (GnRH)Correct answer is option 'D'. Can you explain this answer?.
What initiates the process of spermatogenesis in males at puberty?a) Increase in testosterone levelsb) Secretion of follicle stimulating hormone (FSH)c) Secretion of luteinising hormone (LH)d) Secretion of gonadotropin releasing hormone (GnRH)Correct answer is option 'D'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What initiates the process of spermatogenesis in males at puberty?a) Increase in testosterone levelsb) Secretion of follicle stimulating hormone (FSH)c) Secretion of luteinising hormone (LH)d) Secretion of gonadotropin releasing hormone (GnRH)Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What initiates the process of spermatogenesis in males at puberty?a) Increase in testosterone levelsb) Secretion of follicle stimulating hormone (FSH)c) Secretion of luteinising hormone (LH)d) Secretion of gonadotropin releasing hormone (GnRH)Correct answer is option 'D'. Can you explain this answer?.
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What initiates the process of spermatogenesis in males at puberty?a) Increase in testosterone levelsb) Secretion of follicle stimulating hormone (FSH)c) Secretion of luteinising hormone (LH)d) Secretion of gonadotropin releasing hormone (GnRH)Correct answer is option 'D'. Can you explain this answer?, a detailed solution for What initiates the process of spermatogenesis in males at puberty?a) Increase in testosterone levelsb) Secretion of follicle stimulating hormone (FSH)c) Secretion of luteinising hormone (LH)d) Secretion of gonadotropin releasing hormone (GnRH)Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of What initiates the process of spermatogenesis in males at puberty?a) Increase in testosterone levelsb) Secretion of follicle stimulating hormone (FSH)c) Secretion of luteinising hormone (LH)d) Secretion of gonadotropin releasing hormone (GnRH)Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
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