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 of the following neuroglial cells is responsible for forming the myelin sheath in the central nervous system?

Schwann cells

Astrocytes

Microglia

Oligodendrocytes

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Verified step by step guidance

Understand the role of neuroglial cells: Neuroglial cells are supportive cells in the nervous system that perform various functions, such as maintaining homeostasis, forming myelin, and providing support and protection for neurons.

Differentiate between the central nervous system (CNS) and peripheral nervous system (PNS): The CNS consists of the brain and spinal cord, while the PNS includes all other neural elements. The type of neuroglial cells involved in forming myelin differs between these systems.

Learn the function of Schwann cells: Schwann cells are responsible for forming the myelin sheath in the peripheral nervous system (PNS), not the CNS.

Understand the role of oligodendrocytes: Oligodendrocytes are the neuroglial cells responsible for forming the myelin sheath in the central nervous system (CNS). They wrap around axons to insulate them and enhance signal transmission.

Clarify the roles of astrocytes and microglia: Astrocytes provide structural and metabolic support to neurons, while microglia act as immune cells in the CNS, removing debris and pathogens. Neither of these cells forms the myelin sheath.