Across
- 1. Mature bone with organized collagen
- 5. Hormone that lowers blood calcium levels
- 7. Dense bone tissue that forms the outer layer of bones
- 12. Growth in bone thickness
- 14. Hormone that stimulates bone growth
- 15. Inner layer lining the bone marrow cavity
- 18. Process of depositing calcium salts in tissues
- 21. Porous bone tissue found inside bones
- 24. Stem cells that differentiate into osteoblasts
- 25. Smooth tissue covering the ends of bones in joints
- 30. Channels that connect haversian canals
- 31. Childhood disease caused by vitamin D deficiency
- 32. Outer fibrous layer covering bone
- 33. End part of a long bone
- 34. Genetic disorder causing dense bones
- 35. Structural unit of compact bone
- 36. Structural units of spongy bone
- 37. Tissue that produces blood cells
- 38. Cells that synthesize bone matrix
Down
- 2. Growth plate in long bones
- 3. Bone formation from cartilage
- 4. Immature bone with irregular collagen arrangement
- 6. Bone formation in fibrous tissue
- 8. Growing area between diaphysis and epiphysis
- 9. Shaft of a long bone
- 10. Central canal in an osteon containing blood vessels
- 11. Break in a bone
- 13. Cells responsible for bone resorption
- 16. Replacement of old bone tissue with new bone tissue
- 17. Process of bone lengthening
- 19. Softening of bones due to calcium deficiency
- 20. Invading structure initiating primary ossification
- 22. Process of bone formation
- 23. Fatty bone marrow found in adults
- 26. Bone marrow involved in blood formation
- 27. Cartilage cells found in lacunae
- 28. Hormone that increases blood calcium levels
- 29. Mature bone cells that maintain bone tissue
- 34. Condition of decreased bone mass