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myoclonus

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

First recorded in 1880–85; myo- + clonus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for myoclonus

Historical Examples

  • 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.

  • If several muscles are implicated, the condition is one of multiple myospasm or myoclonus.

  • The denominations "myoclonus," "muscular dystrophy," "degenerate," are alike inconvenient.

myoclonus in Medicine

myoclonus

(mī-ŏk′lə-nəs)
n.
  1. A sudden shocklike twitching of muscles or parts of muscles without any rhythm or pattern, occurring in various brain disorders.
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Related formsmy′o•clon′ic (mī′ə-klŏn′ĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.