myoclonus

[ mahy-ok-luh-nuhs ]

/ maɪˈɒk lə nəs /

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an abrupt spasm or twitch of a muscle or group of muscles, occurring in some neurological diseases.

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First recorded in 1880–85; myo- + clonus

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

According to Maurice Dide, myoclonus, which he calls motor petit mal, occurs in five per cent.
Tics and Their Treatment|Henry Meigne
It is more especially the association of epilepsy with the ill-defined group of myoclonus that we propose to discuss.
Tics and Their Treatment|Henry Meigne
If several muscles are implicated, the condition is one of multiple myospasm or myoclonus.
Tics and Their Treatment|Henry Meigne
Schupfer has recorded cases of family myoclonus with epileptiform attacks.
Tics and Their Treatment|Henry Meigne

The denominations "myoclonus," "muscular dystrophy," "degenerate," are alike inconvenient.
Tics and Their Treatment|Henry Meigne

myoclonus

[ mī-ŏk′lə-nəs ]

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.