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bone repair
| Question | Answer |
|---|---|
| osteoblasts | bone forming cells; secretes matrix of bone |
| osteocytes | mature bone cells derives from osteoblasts;maitain the structure of bone |
| osteoclasts | bone absorbing cells(clean up the bone); break down bone |
| remodeling | slows with age |
| hematoma( ruptured blodd vessels) | blood clot;formed at fracture sitewithin 6-8 hrs |
| soft callus(tissue repair) | ccartilage fills the space between the ends of the broken bones |
| hard callus | spongy bone is deposited at fracture site |
| remodeling | build new compact bone; osteoclasts absorb spongy bone |