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25 Cards in this Set
- Front
- Back
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-Bone shape
-ex. femur |
Long Bone |
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-enlarged two ends of bone
-thick spongy bone -strengthens joint and provides for tendon/ligament attachment |
Epiphysis |
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-Horizontally oriented tubes that branch off from the Haversion canal
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Volkmann Canal |
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calcium
vitamins A and D hormones physical stress |
Factors regulating growth |
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-Growth Process
- Replacement of preexiting tissues with bone |
Ossification |
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Major structural unit of compact bone.
-Contains cylindrical layers of osseous tissue(LAmellae) |
Osteons |
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-Short region between diaphysis and epiphysis
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Metaphysis |
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1/3 organic (proteins, lipids, cells)-osteocytes, collagen fibers.
2/3 Matrix(hydroxyapatite) |
Bone Composition |
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Bone growth process
-deposition of calcium salts in tissue, fills in matrix around lacunae |
Calcification |
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Osteon cement
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Calcium |
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_Bone tissue type
-Open network of branching plates called trabeculae - forms middle regions of bone -lacks osteons |
Spongy Bone |
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1-chondrocytes make carilage
2)calcium phosphate adds to matrix 3)cartilage cells organize into osteons 4)cartilage cells convert into osteocytes 5)bone tissue formed |
Process of bone elongation |
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bone shape
Vertabrae |
Irregular bone |
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bone shape
-cranial |
Flat bone |
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- bone shape
-carpals(wrist) |
Short bone |
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-Bone tissue type
-Adipose and connective tissue cells |
Marrow |
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-Outer membrane covering entire bone
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Periosteum |
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-center of diaphysis contains bone marraw and many vessels
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Medullary cavity |
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-Bone tissue type
-Dense arrangement of osteons -Forms outer regions of bone |
Compact(Hard Bone) |
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-The shaft connecting epiphysies
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Diaphysis |
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-Membrane between medullary cavity and diaphysis
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Endosteum |
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-Small cavities aligned along each lamellae that house the osteocytes.
(Compact Bone) |
Lacunae |
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-Center of osteon, vertically oriented, forms passageway for blood vessel
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Haversion Canal |
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-Interface between epiphysis and metaphysis
-site of bone elongation |
Epiphyseal plate |
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Support
protection locomotion mineral storage blood cell formation |
Functions of skeletal system |
