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11 Cards in this Set
- Front
- Back
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WHat are some functions of the skeleton?
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1)dictate body shape
2)provide for Calcium storage & release. 3)provide for hematopoesis 4)fat storage (yellow bone marrow) 5)provides resonance to the voice (pneumatic bones) |
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What are the 3 parts of the skeleton?
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Axial-skeleton (skull,vertebral column,ribs and sternum)
Appendicular-limb bones Accessory- heterotopic skeleton |
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What are some characteristics of bone?
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Highly vascularized and very dynamic form of connective tissue.
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How does bone occur?
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As compact bone (cortex) & cancellous bone (medullary cavity)
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What is bone composed of ?
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ground substance (allows significant accumulation of salt deposits) 60-70% of bone's weight
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What is the principal crystalline component in bone?
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hydroxyapatite- a form of calcium phosphate
85% of the inorganic components of bone |
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How are bones classified?
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long, short, flat and irregular
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What is the diploe?
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space representing the marrow cavity of a flat bone
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What are the general parts of the long bone?
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articulating surface
epiphysis- physis- growth plate metaphysis diaphysis |
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What are the articular & non articular surfaces of long bone capped with?
What is the medullary cavity lined with? |
articular-hyaline cartilage
non-articular-periosteum endosteum |
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Where is the nutrient foramina located in the humerus, radius, Ulna, femur, Tibia and fibula
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Humerus-midcaudal diaphysis
Radius-caudally at junction of proximal & middle thirds of bone Ulna-cranially at distal extent of radial notch Femur- caudally at junction of proximal and middle thirds |
