1. Skeletal System

2. Root Words

3. Types of Bone  Long Bone  Short Bone  Flat Bone  Irregular Bone  Sesamoid Bone

4. Long Bone  Has long axes and expands at ends.  Example : Humerus, Femur

5. Short Bone  Cube-like bones with length and width roughly equal  Example: Wrist and Ankle

6. Flat Bone  Plate-like structures with broad surfaces  Example: ribs, scapulae, some skull bones

7. Irregular Bones  Variety of shapes and connected to several other bones  Example: Vertebrae and facial bones

8. Sesamoid Bone  Small and nodular and embedded within tendons  Example: Kneecap (Patella)

9. Articular Cartilage  Layer of cartilage that coats the Epiphysis that allows for cushion

10. Epiphysis  Expanded portion at the end of a bone that articulates

11. Diaphysis  Shaft of the bone, located between Epiphyses

12. Compact Bone  Tightly packed tissue that lines the wall of Diaphysis  Provides strength and structure

13. Spongy Bone  Composed of numerous branching plates, with spaces in between  Reduces weight and provides flexibility  Located mainly in Epiphysis

14. Medullary Cavity  Space within the Diaphysis that holds the marrow and blood

15. Marrow  Soft Connective tissue found in Medullary Cavity that produces Red blood cells

16. Ossification  The formation of Bone tissue

17. Endochondral Bones  Bones that develop during fetal stage

18. What begins to develop in the later stages of Bone growth? In a few sentences in your notes