Term
| When can the bone no longer grow in length? |
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Definition
| when the epiphyseal plate completely ossifies |
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Term
| What occurs in flat bones like those of the skull, mandible, and clavicle? |
|
Definition
| intramembranous ossification |
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Term
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Definition
|
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Term
| What takes blood in and out of the bone? |
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Definition
|
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Term
| What makes bone injuries painful? |
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Definition
|
|
Term
| What may be incorporated into the matrix of bone because of the similarity to calcium? |
|
Definition
| radioactive uranium or plutonium |
|
|
Term
| What did the compounds deposited into the bones of exposed individuals in the 1986 Chernobyl nuclear reactor meltdown lead to? |
|
Definition
| leukemia and other forms of cancer |
|
|
Term
| What is required for collagen synthesis and stimulates osteoblast differentiation? |
|
Definition
|
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Term
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Definition
|
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Term
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Definition
|
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Term
| deficiency of vitamin C, loss of bone mass and strength |
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Definition
|
|
Term
| What is necessary in children for osteoblast activities? |
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Definition
|
|
Term
| What vitamins are used for the synthesis of proteins in normal bones? |
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Definition
|
|
Term
| What stimulates bone growth? |
|
Definition
| growth hormones from the pituitary gland |
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|
Term
| What help maintain homeostatic activity for calcium and phosphate levels in body? |
|
Definition
| thyroxine from the thyroid gland and parathyroid hormone from the parathyroid glands |
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|
Term
| excessive growth hormones after epiphyseal disks have ossified causing excess bone production in face, hands, back, etc; |
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Definition
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|
Term
| a large blood clot that forms from a fracture of the bone that closes off the injured vessels and can kill osteocytes around the fracture |
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Definition
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|
Term
| thinner and weaker bones due to aging |
|
Definition
|
|
Term
| What percentage of their skeletal mass do women lose every decade when it begins? |
|
Definition
|
|
Term
| What percentage of their skeletal mass do men lose every decade when it begins? |
|
Definition
|
|
Term
| when the reduction i bone mass is sufficient to compromise normal function (bones are much easier to break) |
|
Definition
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|
Term
| Why does osteoporosis occur more often in women? |
|
Definition
| decreased estrogens after menopause |
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