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Bone (Functions (Regions of the bone (Epiphysis= on top of, Metaphysis=…

- - - - forms bone tissue
    - - maintain bone tissue
  - - - Ossification center first formed in fibrou sconnective tissue, containing osteoblasts.
      - Osteoblasts deposit osteoid matrix
      - 3.Osteoblasts mature into osteocytes and embed in osteoid, while mineral is deposited forming bone
      - Random framework of bone is formed surrounding embryonic blood vessels
      - Peri on outer surface forms from condensed fibrous conn tissue
  - - - begins with the formation of cartilaginous model of bone.
      - Mesenchymal cells differentiate into chondroblast, =cartilaginous model.
      - Blood vessels penetrate the perichondrium, which stimulates bone formation
      - Blood vessels grow into the model. inducing osteoblast differentiation, initiating formation of primary ossif center
      - secondary ossification centers form in the epiphyseal ends via the same process
      - nLong bones grow in length by hypertrophy and proliferation of chondrocytes inder metaphysis
      - growth in width occurs from periosteal ridges
      - long bones form from endochondral ossification
- - - - canaliculi holds dendrites from lacuna
  - - - but contains no osteons!