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6 Cards in this Set
- Front
- Back
bone formation
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ossification or
osteogenesis |
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2 kinds of ossification
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intramembranous ossification
endochondrial ossification |
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intramembanrous ossification
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bone forms directly from mesenchyme
it's arranged in sheetlike layers (flat bones of the skull, mandible) |
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4 steps of intramembanous ossification
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1) development of ossification center
2) calcification 3) formation of trabeculae 4) development of periosteum |
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endochondrial ossification
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replacement of cartilage by bone
most bones of the body are formed this way |
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6 steps to endochondrial ossification
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1) development of cartilage model
2) growth of cartilage model (A&B) 3) development of primary ossification center 4) development of medullary cavity 5) development of secondary ossification center 6) formation of articular cartilage & the epiphyseal plate |