Term
| The two divisions of the adult skeletal system |
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Definition
1) Axial skeleton (80 bones)
2) Appendicular skeleton (126 bones) |
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Term
| Functions of the skeletal system |
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Definition
1) Support
2) Storage of minerals
3) Blood cell production
4) Protection
5) Leverage |
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Term
| Six categories of bones based on shape |
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Definition
1) Flat bones
2) Sutural bones
3) Long bones
4) Irregular bones
5) Sesamoid bones
6) Short bones |
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Term
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Definition
1) Epiphysis (expanded ends)
2) Metaphysis (connects epiphysis to shaft)
3) Diaphysis (shaft) |
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Term
| The medullary cavity is filled with |
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Definition
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Term
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Definition
1) Osteocytes
2) Osteoblasts
3) Osteoprogenitor cells
4) Osteocytes |
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Term
| Calcium phosphate accounts for how much bone weight? |
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Definition
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Term
| Which type of bone is adapted to withstand stresses from many directions? |
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Definition
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Term
| The most abundant mineral in the human body is |
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Definition
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Term
| What happens during appositional growth? |
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Definition
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Term
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Definition
| The deposition of calcium salts in bone tissues |
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Term
| Overproduction of growth hormone before puberty is |
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Definition
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Term
| The two disorders causing shortened bones |
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Definition
1) Pituitary Growth Failure
2) Achondroplasia |
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Term
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Definition
| Crack or break due to extreme mechanical stress |
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Term
| Fractures that project through the skin are called |
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Definition
| Open or Compound fractures |
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Term
| This type of fracture generally occurs in children |
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Definition
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Term
| A Pott fracture occurs where |
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Definition
| At the ankle and affects both leg bones |
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Term
| Initial bone formation in embryo begins with |
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Definition
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Term
| The two layers of periosteum |
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Definition
1) Fibrous outer layer
2) Cellular inner layer |
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Term
| Interstitial lamellae fills spaces between |
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Definition
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Term
| The small rounded passageway of the skull surface |
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Definition
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Term
| Bone surface features are also known as |
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Definition
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Term
| Cells that secrete the organic components of the bone matrix are called |
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Definition
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Term
| This allows a bone to grow in length |
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Definition
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Term
| The basic functional unit of mature compact bone is the |
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Definition
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