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

9. Muscle Tissue

Introduction to Muscles and Muscle Tissue

Anatomy & Physiology

9. Muscle Tissue

Introduction to Muscles and Muscle Tissue

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Multiple Choice

Which of the following structures is surrounded by the connective tissue sheath known as the perimysium?

Muscle fiber

Muscle fascicle

Entire muscle

Myofibril

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Verified step by step guidance

Understand the hierarchical organization of skeletal muscle: Skeletal muscle is composed of multiple layers of organization, starting from the smallest unit (myofibril) to the largest (entire muscle). Each layer is surrounded by specific connective tissue sheaths.

Define the connective tissue sheaths: The three main connective tissue layers in skeletal muscle are the endomysium (surrounds individual muscle fibers), the perimysium (surrounds muscle fascicles), and the epimysium (surrounds the entire muscle).

Clarify the term 'muscle fascicle': A muscle fascicle is a bundle of muscle fibers grouped together within a skeletal muscle. It is larger than a single muscle fiber but smaller than the entire muscle.

Identify the role of the perimysium: The perimysium is the connective tissue sheath that specifically surrounds and protects muscle fascicles, providing structural support and pathways for nerves and blood vessels.

Match the correct structure to the connective tissue sheath: Based on the definitions, the perimysium surrounds the muscle fascicle, not the muscle fiber, myofibril, or entire muscle.