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

12. The Central Nervous System

Introduction to the Central Nervous System

Anatomy & Physiology

12. The Central Nervous System

Introduction to the Central Nervous System

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Multiple Choice

Which passageway connects the third and fourth ventricles in the brain?

Interventricular foramen

Cerebral aqueduct

Corpus callosum

Central canal

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Verified step by step guidance

Step 1: Understand the anatomy of the brain's ventricular system. The ventricles are interconnected cavities filled with cerebrospinal fluid (CSF) that help protect and nourish the brain.

Step 2: Identify the ventricles involved in the question. The third ventricle is located in the diencephalon, while the fourth ventricle is located between the brainstem and cerebellum.

Step 3: Recall the passageway that connects these two ventricles. The cerebral aqueduct, also known as the aqueduct of Sylvius, is a narrow channel that allows CSF to flow from the third ventricle to the fourth ventricle.

Step 4: Differentiate the cerebral aqueduct from other structures mentioned in the options. For example, the interventricular foramen connects the lateral ventricles to the third ventricle, the corpus callosum is a bundle of nerve fibers connecting the two cerebral hemispheres, and the central canal is part of the spinal cord.

Step 5: Confirm that the cerebral aqueduct is the correct answer based on its anatomical function and location within the ventricular system.