Difference between revisions of "Paralysis"
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==Origin== | ==Origin== | ||
[[Latin]], from [[Greek]], from paralyein to loosen, disable, from para- + lyein to loosen | [[Latin]], from [[Greek]], from paralyein to loosen, disable, from para- + lyein to loosen | ||
| − | *[ | + | *[https://en.wikipedia.org/wiki/16th_Century 1525] |
==Definitions== | ==Definitions== | ||
*1. complete or partial loss of function especially when involving the motion or sensation in a part of the body | *1. complete or partial loss of function especially when involving the motion or sensation in a part of the body | ||
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'''Paralysis''' is the complete loss of [[muscle]] [[function]] for one or more muscles. Paralysis can be accompanied by a loss of [[feeling]] (sensory loss) in the affected area if there is sensory damage as well as motor. | '''Paralysis''' is the complete loss of [[muscle]] [[function]] for one or more muscles. Paralysis can be accompanied by a loss of [[feeling]] (sensory loss) in the affected area if there is sensory damage as well as motor. | ||
==Causes== | ==Causes== | ||
| − | Paralysis is most often caused by damage in the [[nervous system]], especially the [ | + | Paralysis is most often caused by damage in the [[nervous system]], especially the [https://en.wikipedia.org/wiki/Spinal_cord spinal cord]. Other major [[causes]] are [https://en.wikipedia.org/wiki/Stroke stroke], trauma with nerve injury, poliomyelitis, amyotrophic lateral sclerosis (ALS), botulism, spina bifida, multiple sclerosis, and Guillain-Barré syndrome. Temporary paralysis occurs during [https://en.wikipedia.org/wiki/REM_sleep REM sleep], and dysregulation of this [[system]] can lead to [[episodes]] of [https://en.wikipedia.org/wiki/Sleep_paralysis waking paralysis]. [[Drugs]] that [[interfere]] with nerve function, such as curare, can also cause paralysis. There are many known causes for paralysis, and perhaps more yet to be [[discovered]]. |
| − | Pseudoparalysis (pseudo- [[meaning]] false, not genuine) is voluntary restriction or inhibition of [[motion]] because of [[pain]], incoordination, or other cause, and is not due to actual muscular paralysis. In an infant, it may be a symptom of [ | + | Pseudoparalysis (pseudo- [[meaning]] false, not genuine) is voluntary restriction or inhibition of [[motion]] because of [[pain]], incoordination, or other cause, and is not due to actual muscular paralysis. In an infant, it may be a symptom of [https://en.wikipedia.org/wiki/Congenital_syphilis congenital syphilis]. |
[[Category: Health]] | [[Category: Health]] | ||
Latest revision as of 01:21, 13 December 2020
Origin
Latin, from Greek, from paralyein to loosen, disable, from para- + lyein to loosen
Definitions
- 1. complete or partial loss of function especially when involving the motion or sensation in a part of the body
- 2. loss of the ability to move
- 3. a state of powerlessness or incapacity to act
Description
Paralysis is the complete loss of muscle function for one or more muscles. Paralysis can be accompanied by a loss of feeling (sensory loss) in the affected area if there is sensory damage as well as motor.
Causes
Paralysis is most often caused by damage in the nervous system, especially the spinal cord. Other major causes are stroke, trauma with nerve injury, poliomyelitis, amyotrophic lateral sclerosis (ALS), botulism, spina bifida, multiple sclerosis, and Guillain-Barré syndrome. Temporary paralysis occurs during REM sleep, and dysregulation of this system can lead to episodes of waking paralysis. Drugs that interfere with nerve function, such as curare, can also cause paralysis. There are many known causes for paralysis, and perhaps more yet to be discovered.
Pseudoparalysis (pseudo- meaning false, not genuine) is voluntary restriction or inhibition of motion because of pain, incoordination, or other cause, and is not due to actual muscular paralysis. In an infant, it may be a symptom of congenital syphilis.
