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Definition
| An opening through a bone, which usually serves as a passageway for blood vessels, nerves, or ligaments. |
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Definition
| A relatively deep pit or depression. |
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Definition
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Definition
1. framework
2. protects organs
3. contains and protects bone marrow
4. stores calcium |
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Definition
| long bone ends - inside is spongy bone |
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| medullary cavity contains... |
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Definition
yellow marrow
(is inside long bones) |
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Definition
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Definition
ribs, patella, scapula, hip, cranial
(spongy bones) |
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Definition
| vertebrae, facial bones (spongy bones) |
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Definition
red - spongy bone
- produces blood cells
yellow - inside compact bone
- composed of fat |
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Definition
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Term
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Definition
1. osteogenic
2. osteoblast
3. osteocyte
4. osteoplast |
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Term
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Definition
-undifferentiated
- come from fibroblasts |
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Term
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Definition
-bone forming cells
-mineralize bone within periosteum |
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Term
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Definition
- a trapped osteoblast
-passes nutrients through canniculi |
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Term
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Definition
- dissolves bone, reabsorbs minerals
- cleans up bone fragments |
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Term
| 4 factors affecting reabsorbtion and formation of bone |
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Definition
1. heredity
2. nutrition
3. hormones
4. exercise |
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Definition
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Definition
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Definition
| 2 or more intersecting fractures, with fragments |
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Definition
| broken ends pushed into each other |
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Definition
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Definition
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Definition
| shock absorber, reduces friction |
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Definition
| sac of synovial fluid in joints |
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Term
| calcitonin and parathyroid hormone |
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Definition
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Term
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Definition
| incr calcium, incr its absorbtion in small intestine |
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Definition
| decreases blood calcium level |
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Definition
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Definition
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Definition
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Definition
| encloses joint in strong sheath |
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Definition
| provides a smooth surface on bone structures |
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Definition
lines joint capsule
secretes synovial fluid |
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Term
| how many bones in human skeleton |
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Definition
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Term
| we are born with how many bones? |
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Definition
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Definition
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| what is the shortest bone in the body? |
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Term
| ______ joints connect bones w/o allowing movement |
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Definition
| fibrous joints connect bones w/o allowing movement |
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Definition
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Term
| _____ joint allows extension and retraction of appendage |
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Definition
| hinge joint allows extension and retraction of appendage |
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Term
| _____ joint allows movement back and forward, up and down, but not rotation |
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Definition
| saddle joint allows movement back and forward, up and down, but not rotation |
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Term
| _____ joint allows rotation around an axis |
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Definition
| pivot joint allows rotation around an axis |
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Term
| _________ joint allows movement in any direction |
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Definition
| ball and socket joint allows movement in any direction |
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Term
| _____ joint allows rotation around bones to slide past each other |
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Definition
| gliding joint allows rotation around bones to slide past each other |
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Term
| ______ joint allows for little movement |
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Definition
cartilage joint allows for little movement
(ie ribs) |
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