[ mahy-ok-luh-nuh s ]
/ maɪˈɒk lə nəs /

noun Pathology.

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

Origin of myoclonus

First recorded in 1880–85; myo- + clonus Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for myoclonus

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

  • According to Maurice Dide, myoclonus, which he calls motor petit mal, occurs in five per cent.

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

  • It is more especially the association of epilepsy with the ill-defined group of myoclonus that we propose to discuss.

Medicine definitions for myoclonus

[ mī-ŏklə-nəs ]


A sudden shocklike twitching of muscles or parts of muscles without any rhythm or pattern, occurring in various brain disorders.

Other words from myoclonus

my′o•clonic (mī′ə-klŏnĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.