[mahy-uh-kloh-nee-uh] /ˌmaɪ əˈkloʊ ni ə/

noun, Pathology.
a disease characterized by .

myoclonia my·o·clo·ni·a (mī’ə-klō’nē-ə)
Any of various disorders characterized by myoclonus.


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  • Myoclonic astatic epilepsy

    myoclonic astatic epilepsy n. A form of petit mal occurring in children with neurologic disabilities and mental retardation and characterized by atonic seizures and tonic-clonic attacks that generally are not halted by medication.

  • Myoclonic jerk

    noun an involuntary contraction of a muscle or a group of muscles, as when dropping off to sleep or getting hiccups Examples Myoclonic jerks are also a sign of a number of neurological disorders. See hypnagogic jerk Word Origin 1968

  • Myoclonus

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

  • Myoclonus epilepsy

    myoclonus epilepsy n. A familial epilepsy beginning in childhood or adolescence and characterized by progressive mental deterioration, by the abrupt or continuous clonus of parts or groups of muscles, and, histologically, by the presence of Lafora bodies in parts of the central nervous system. Also called Lafora body disease, Lafora’s disease.

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