Skeletal System Key Terms

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Across
  1. 2. Former osteoblasts become surrounded by unmineralized matrix during bone formation
  2. 7. an inherited bone disorder (present at birth)
  3. 8. thin slippery sac of fluid that provides a cushion and reduces bone friction
  4. 9. specialized mesenchymal cells that synthesize bone matrix
  5. 12. fibrous connective tissue that attaches muscle to bone
  6. 17. upper and lower extremities which include the shoulder girdle and pelvis
  7. 18. Process of calcium builds up in body tissue, causing tissue to harden
  8. 20. excessive physical or mental tension
Down
  1. 1. The straight shaft of a long bone
  2. 3. The widened ends of a long bone. Each and contains the epiphysial plate where bone growth takes place.
  3. 4. the bones of the head, chest, and back
  4. 5. Internal skeleton
  5. 6. a stretching or tearing of ligaments
  6. 10. bone formation
  7. 11. strong flexible connective tissue that protects joints
  8. 13. specialized cell that absorbs and removes bones
  9. 14. fibrous connective tissue that attaches bone to bone
  10. 15. fibrous membrane that goes around and covers the outside of a bone
  11. 16. connective tissue that has a lot of strong collagen fibers in it.
  12. 19. a place where 2 or more bones or cartilages in the skeleton