Across
- 3. responsible for bone hardness and its resistance to compression
- 5. weight-bearing, column-like matrix tubes composed mainly of collagen
- 6. Receptor Activator for Nuclear Factor Kappa-B Ligand
- 9. the shape bone in the wrist and ankle
- 10. a major health threat for more than 28 million Americans
- 11. mature bone cells found in lacunae
- 13. narrow zone that connects diaphysis to epiphysis
- 14. tubular shaft that forms the axis of long bones
- 15. large cells that resorb or break down bone matrix
Down
- 1. most metabolically active type of bone and contains marrow (yellow or red)
- 2. delicate membrane covering internal surfaces of bone
- 4. bones with complicated shapes
- 7. growth that occurs by addition at the periphery of a particular part
- 8. outer fibrous layer of connective tissue on bone; double-layered protective membrane
- 12. expanded ends of long bones