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| the functions of the skeletal system |
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Definition
| support, storage of minerals and fat, blood cell production, protection, leverage |
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| what are the shapes of bones? |
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Definition
| sutural, irregular, short, flat, long, and sesamoid |
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| the extended end of the end of the bone |
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| round central space of bone also known as the marrow cavity |
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Definition
| in the cranium, the layer of spongy bone between the layers of compact bone |
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| pockets in bone matrix that hold osteocytes |
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| narrow passageways in the matrix extend between the lacunae and blood vessels creating a passageway for the exchange of nutrients, waste, and gasses |
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Definition
| calcium phosphate interacts with calcium hydroxide to form these crystals |
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| layers of lacunae sandwiched between matrix |
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| mesenchymal cells that divide to produce daughter cells that differenciate into osteoblasts |
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| cells that remove and recycle bone matrix |
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| erosion process where the osteoclasts disolve matrix and release the stored minerals |
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Definition
| the basic functional unit of mature compact bone |
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| a meshwork of supporting bundles of of fibers in spongy bone |
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| responsible for blood cell formation |
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| adipose tissue important as an energy reserve |
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Definition
| a membrane that covers all bones |
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Definition
| an incomplete cellular layer that lines the medullary cavity |
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Definition
| the deposition of calcium salts |
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Term
| endochondral ossification |
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Definition
| when cartilage models are gradually replaced by bone |
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Term
| primary ossification center |
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Definition
| the begining site of bone development |
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Term
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Definition
| small struts of developing bone that grows outward from the ossification center. |
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