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

4. Tissues & Histology

Introduction to Nervous Tissue

Anatomy & Physiology

4. Tissues & Histology

Introduction to Nervous Tissue

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Multiple Choice

The outermost connective tissue covering of nerves is the:

Endoneurium

Myelin sheath

Perineurium

Epineurium

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Verified step by step guidance

Understand the structure of a nerve: Nerves are composed of bundles of axons surrounded by connective tissue layers. These layers provide protection and support.

Learn the hierarchy of connective tissue coverings: The innermost layer is the endoneurium, which surrounds individual axons. The perineurium encases bundles of axons (fascicles). The outermost layer is the epineurium, which surrounds the entire nerve.

Differentiate the myelin sheath: The myelin sheath is not a connective tissue layer but a fatty substance produced by Schwann cells or oligodendrocytes that insulates axons to enhance signal transmission.

Identify the correct answer: Based on the hierarchy, the epineurium is the outermost connective tissue covering of nerves.

Review the function of the epineurium: It provides structural support, protects the nerve from external damage, and contains blood vessels that supply the nerve.