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Case Study 4 (Background (Long bone anatomy (osteocytye, lacunae, central…

- - - - bone collar forms around diaphysis
        
        2.Central cartilage in diaphysis calcifies and dies
        
        Periosteal bud invades cavities,leading to form spongy bone
        
        diaphysis elongates and medullary cavity forms
        
        epiphysis ossify
  - - - Osteoclasts breaks down bone to put calcium in blood
    - - Osteoblasts uses Vitamin D to help deposit Calcium in bone
  - - - 2.fibrocartillaginous callus forms
      - 3.bony callus forms
      - 4.bone remodeling starts
  - - - Open(compound): skin is penetrated
      - Closed(simple):skin is not penetrated
    - - complete:broke all the way through
      - incomplete: not broken all the way through
    - - nondisplaced: ends retain normal position
      - Displaced: ends are out of normal alignment