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16 Cards in this Set
- Front
- Back
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What are the two bone groups
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- Axial (Skull, vertabrea, thorax
- Appendicular (Everything else) |
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What are the four types of bones
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1. Long bone
2. Flat bone 3. Short bone 4. Irregular bone |
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Describe Long Bone
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- Longer than hey are wide
- Has a shaft plus two ends |
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Describe short bones
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- Roughly cube shaped (wrist ankle)
- Sesamoid (patella) -Act to alter pull of tendon |
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Describe flat bones
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-- thin flattened ussually a bit curved
- ( sternum, scapula, skull) |
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Describe Irregular bones
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- Have complicated shapes
- Vertebrae and hips |
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What are the functions of the bones
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1. Support
2. Structure 3. Movement 4. Mineral growth and storage 5. Blood cell formation 6. Triglyceride storage |
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What are the three structures of a long bone
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1. Proximal epiphysis
2. Diaphysis 3. Distal epiphysis |
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What are the 4 types of bone cells
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1. Osteogenic cell (stem cell
2. Osteoblast (responsible for bone growth) 3. Osteocyte (Mature bone cell maintains bone matrix) 4. Osteoclast ( bone-resorbing cell) |
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What is the external membrane of the cell
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- Periosteum
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What is the inner membrane bone layer called
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- Osteogenic layer
|
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What is the delicate tissue membrane covering all connective tissue in the bone
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- Endosteum
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What is the spongy bone in short irregular and flat bones called
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Diploe
|
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What is the proper name for compact bone and why
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- Lamellar bone
-Refers to the growth rings in the bone |
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What is the composition of bone
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25% water
25% Collagen 50% Salts |
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What is the percentage of compact and spongy bone
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20% compact
80% spongy |
