1. Bone Structure and Growth

2. Structure of Bone Compact bone Haversian canals Osteocytes and lacunae
Canaliculi
Volkmann’s canals

3. Spongy (cancellous)bone
Light weight and strong
Trabeculae
Canaliculi
Contain red marrow

4. Features of a Long Bone

5. Bone Development & Growth
Osteogenesis/ossification
Osteoblast
Osteoclast
Osteocyte

6. Intramembranous ossification
Sheet-like connective tissue is replaced with bone
Flat bones of skull and some irregular bones

7. Endochondral ossification
Replaces hyaline cartilage with bone
Forms most bones in body
Growth in bone length is created through a similar process

8. Endochondral Ossification

9. Bone Growth Growth only occurs at epiphyseal plate
Growth ends in the early 20s
Bone growth is controlled by growth and sex hormones
Appositional growth continues throughout life

10. Functions of the Skeleton
Support
Protection
Movement
Storage
Hematopoiesis

11. Articulations Any place where two bones meet Synarthroses
Amphiarthroses
Diarthroses

12. Synarthroses
Immovable joints

13. Amphiarthroses Slightly movable joints
Bones connected by hyaline cartilage or fibrocartilage

14. Diarthroses Freely movable joints
Ends of bone covered in hyaline cartilage
Bones separated by a joint cavity
Cavity lined with synovial membrane
Bursae

16. Ball and socket joint

17. Condyloid (condylar) joint

18. Saddle Joint

19. Pivot joint

20. Hinge joint

21. Gliding (plane) joints