1. Skeletal system
Chapter 5

2. Skeletal system functions

3. Skeletal system components
connective tissues

5. Bone histology
Organic component
Inorganic components

6. Bone cells
osteoblasts
osteocytes
osteoclasts

7. Compact bone
osteon

8. Compact bone

9. Spongy bone
has trabeculae

10. Anatomy of a long bone Diaphysis Epiphyses (sing. epiphysis)
Epiphyseal line (growth plate)

11. Bone development (ossification)

13. Developmental growth
Elongation of long bones

14. Bone homeostasis: remodeling
new bone formation & reabsorption (destruction)

15. Bone homeostasis: remodeling may be under hormonal control
goal is to maintain proper blood Ca2+ levels

16. Bone homeostasis: repair of fractures, what happens?
hematoma forms
cartilaginous callus forms
bony callus forms
remodeling of bone

17. Bone homeostasis: repair of fractures, what happens?

18. Homeostatic imbalances of bone
Osteoporosis

19. Divisions of skeletal system

20. Joint basics

21. Joint classification
Three broad categories

22. Synovial joint structure

23. Stability of synovial joints

24. Stability of synovial joints
ligaments

25. Joint disorders Degenerative changes: arthritis osteoarthritis
rheumatoid arthritis

26. Joint disorders