Term
| Skeletal System Functions |
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Definition
Support
Mineral Storage
Blood Cell Production
Protection
Leverage |
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Term
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Definition
| Small, rounded passageway through which blood vessels or nerves penetrate the bone. |
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Term
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Definition
| Mature bone cells that maintain the protein and mineral content of the surrounding matrix through the turnover of matrix components |
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Term
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Definition
| Make and release proteins and other organic components of the bone matrix |
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Term
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Definition
| mesenchymal cells that divide to produce daughter cells that differentiate into osteoblasts, and they are thus important in the repair of a fracture |
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Term
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Definition
| Cells that remove and recycle bone matrix. Giant cells with 50 or more nuclei |
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Term
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Definition
| Wraps bones. Isolates the bone from surrounding tissues, provides a route for the blood and nervous supply, and actively participates in bone growth and repair |
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Term
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Definition
| Incomplete cellular layer that lines the medullary cavity. Active during bone growth, repair, and remodeling. |
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Term
| Endochondral ossification |
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Definition
| The replacement of a cartilaginous model with bone |
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Term
| Intramembranous Ossification |
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Definition
| The formation of bone without a prior cartilaginous model |
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Term
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Definition
| A crack or break in a bone |
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Term
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Definition
| A large blood clot that forms after a fracture (over a period of several hours) |
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Term
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Definition
| Forms after a fracture as a network of spongy bone unites the inner edges |
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Term
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Definition
| Cartilage and bone that stabilizes the outer edges of a fracture |
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Term
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Definition
| Completely internal. Can only be seen on x-rays, because they do not involve a break in the skin |
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Term
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Definition
| Project through the skin. More dangerous than closed fractures, due to the possibility of infection or uncontrolled bleeding. |
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