Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

27. The Reproductive System

Introduction to the Reproductive System

Anatomy & Physiology

27. The Reproductive System

Introduction to the Reproductive System

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Multiple Choice

Which structure guides the descent of the testis during fetal development?

Seminiferous tubule

Vas deferens

Epididymis

Gubernaculum

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Verified step by step guidance

Understand the context of the question: The descent of the testis is a critical process during male fetal development, ensuring the testes move from their initial position near the kidneys to the scrotum.

Identify the role of the gubernaculum: The gubernaculum is a fibrous cord-like structure that connects the developing testes to the scrotum. It shortens during development, pulling the testes downward.

Eliminate incorrect options: The seminiferous tubules are involved in sperm production, the vas deferens transports sperm, and the epididymis stores and matures sperm. None of these structures are responsible for guiding the descent of the testes.

Focus on the correct answer: The gubernaculum is the structure that physically guides the descent of the testes during fetal development.

Conclude with the importance of this process: Proper testicular descent is essential for normal sperm production and fertility, as the scrotum provides the optimal temperature for spermatogenesis.