myoclonus

[mahy-ok-luh-nuhs]
noun Pathology.
an abrupt spasm or twitch of a muscle or group of muscles, occurring in some neurological diseases.

Origin:
1880–85; myo- + clonus

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Medical Dictionary

myoclonus my·oc·lo·nus (mī-ŏk'lə-nəs)
n.
A sudden shocklike twitching of muscles or parts of muscles without any rhythm or pattern, occurring in various brain disorders.


my'o·clon'ic (mī'ə-klŏn'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
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Example sentences
Some patients recover many functions, but have abnormal movements such as twitching or jerking, called myoclonus.
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