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8 Cards in this Set
- Front
- Back
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Functions of the bone:
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-support -movement
-protection -storage -blood cell formation |
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Bone is:
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Connective Tissue
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Bone contains:
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-matrix
-ground substance -protein fibers |
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3 specialized cells found in the matrix
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-osteoblast-makes bone
-osteoclasts-takes bone away -osteocyte-monitors bone health |
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How is bone formed?
Way 1 |
Intramembranous ossification
1)formation of bone in skull 2)starts w/membrand 3)forms bone sandwich-diploe 4)allows for skull growth w/o extreme weight |
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How is bone formed?
Way 2 |
Endochondrial Ossification
1/starts w/ a cartilage model 2)process begins by encasing diaphysis in bone 3)shortly after birth the ends are turned from carilage to bone |
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What's needed to make bones grow?
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1/it's stimulated by the growth hormone in the pituitary gland
2/sex hormones estrogen and testosterone 3/adequate calcium & phosphorus 4/vitamin d 5/vitamin c |
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Where do bones grow
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epiphyseal plate
bones grow in width at any time(appositional growth) damage to plates can stop growth |
