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 WordNet Dictionary |
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| | Definition: | |
[n] thickening of tissue in the motor tracts of the lateral columns and anterior horns of the spinal cord; results in progressive muscle atrophy that starts in the limbs |
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| | Synonyms: | | ALS, Lou Gehrig's disease |
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| | See Also: | | induration, monogenic disease, monogenic disorder, sclerosis |
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| Medical Dictionary |
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| | Definition: | | A disease of unknown cause affecting nerve cells in the brain and spinal cord, leading to muscular wasting. |
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| Biology Dictionary |
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| | Definition: | | This is the most frequent form of the progressive nerve disorders affecting the brain, brain stem and spinal cord, usually appearing when a person is 50-70 years old. It is sometimes associated with dementia and Parkinson's disease. |
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