Table of contents

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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

6. Bones & Skeletal Tissue

Gross Anatomy of Bone: Compact and Spongy Bone

Anatomy & Physiology

6. Bones & Skeletal Tissue

Gross Anatomy of Bone: Compact and Spongy Bone

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Multiple Choice

What is the structural unit of compact or cortical bone?

Osteon

Trabeculae

Periosteum

Endosteum

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Begin by understanding the structure of compact or cortical bone, which is dense and forms the outer layer of bones.

Identify the key components of compact bone, focusing on the osteon, which is the fundamental structural unit.

Learn that an osteon, also known as a Haversian system, consists of concentric layers of calcified matrix called lamellae surrounding a central canal.

Recognize that the central canal, or Haversian canal, contains blood vessels and nerves, which are essential for the nourishment and communication within the bone.

Differentiate the osteon from other structures such as trabeculae (found in spongy bone), periosteum (a membrane covering the bone), and endosteum (lining the inner surface of the bone).