1. SKELETAL SYSTEM

3. SKELETAL FUNCTIONS
1. Support for organs tissue, postural support against gravity
2. Protection of vital organs, brain, lungs, and heart.
3. Storage of minerals, especially calcium and phosphorous
4. Hemopoiesis: Contains red bone marrow (hemopoietic tissue) for the production of more blood cells
5. Movement, if muscles had nothing to anchor their tendons to, there would be very inefficient bodily movement.

4. Bone Classification by Shape

5. Anatomy of a Typical Long Bone
What type of connective tissue cells make up articular cartilage?
What is the proper name for a mature bone cell?

6. Histology of Bone Which cells lay down fresh bone matrix?
Which cells “recycle” bone matrix?
What category of tissue does bone belong to?

7. What is an osteon. What is a lacuna. What are canaliculi
What is an osteon? What is a lacuna? What are canaliculi? What is a haversian canal?

8. Compact and Spongy Bone Tissue Organization
Bones of the skeleton contain a combination of both types of bone tissue organization.
What type of bone shape is shown to the left?
What type of bone tissue is the green arrow pointing at?
What type of bone tissue is the red arrow pointing to?

9. Osteogenesis - 10 week fetus
Approx 350 Cartilaginous Models in Skeleton

10. Osteogenesis - 16 week fetus

11. Endochondral Ossification (Bone Formation)
Name this structure

12. Bone Fracture Repair

13. Bone Fracture Repair (cont’d)

14. MAJOR BONES OF THE SKELETON

16. AXIAL DIVISION

18. SPINAL CURVATURES

19. APPENDICULAR DIVISION
Bones of the upper and lower extremities

20. UPPER EXTREMITY

21. Types of JOINTS - Articulations
1. Synarthrotic – Fibrous – No movement
2. Amphiarthrotic – Cartilaginous. Slight movement but no joint cavity
3. Diarthrotic – Synovial – Highest range of motion with joint cavity between bones

26. Joint Movement Terms FLEXION vs. EXTENSION hyperextend flexion flexion
dorsiflexion
plantar
flexion
neutral

27. Joint Movement Terms
ABDUCT vs. ADDUCT

28. ROTATION vs. CIRCUMDUCTION
Joint Movement Terms
ROTATION vs. CIRCUMDUCTION
pivot
circle

29. KNEE Joint Anatomy