Term
|
Definition
-dense CT
-AVASCULAR
-not innervated
-3 types |
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Term
|
Definition
-framework
-protection
-movement
-store Ca/fat
-makes RBC |
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Term
| bulges, depressions, holes serve as |
|
Definition
-attachment sites
-joint surfaces
-conduits for blood vessels/nerves |
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Term
|
Definition
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Term
|
Definition
-filled with red marrow
-at ends of long bones |
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Term
|
Definition
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Term
|
Definition
-shaft
-compact bone surround medullary cavity (yellow marrow of fat) |
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Term
|
Definition
-ends
-spongy bone inside
-hyaline cartilage on joint surfaces |
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Term
|
Definition
-membrane that lines outside of bones
-outer fibrous
-inner osteogenic
-nerves, blood vessels |
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Term
|
Definition
| -membrane lines inside of bones |
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Term
|
Definition
| short, irregular, and flat bones |
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|
Term
| osteogenic cells located in |
|
Definition
|
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Term
|
Definition
| break down (reabsorb) bone martrix |
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Term
|
Definition
| -Haversian system (osteon) |
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Term
|
Definition
-weight bearing
-column like matrix tubes
-Ca matrix/CT |
|
|
Term
| central (Haversian canal) |
|
Definition
| contains blood vessels and nerves |
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Term
|
Definition
| spaces btw lamellae that have bone cells |
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Term
|
Definition
-trabeculae
-along lines of stress
-no osteons
-irregularly arranged lamellae, osteocytes
-capillaries supply nutrients |
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Term
|
Definition
-cells
-osteoid (bone matrix of ground sub and collagen fibers) |
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Term
|
Definition
-hydroxyapatites (mineral salts)
-65% of bone mass
-main calcium phosphate crystals
-responsible for hardness |
|
|
Term
| imbalance of Ca levels can disrupt |
|
Definition
-transmission of nerve impulses
-muscle contraction
-blood coagulation
-secretion by glands
-cell division |
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Term
|
Definition
| -bone reabsorption outpaces deposit |
|
|
Term
| osteoporosis risk factors |
|
Definition
-low estrogen levels
-low Ca
-genetics
-diabetes II |
|
|
Term
| treatment of osteoporosis |
|
Definition
-Ca and Vit D
-bisphosphates (inhibit osteoclasts)
-SERMs
-HRT (hormone replacement) |
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