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English definition of “myoclonus”

myoclonus

noun [U]     /ˌmaɪ.əˈkləʊ.nəs/ US  /mɑɪˈɑk.lə.nəs/ specialized
sudden short movements of a muscle or group of muscles that you cannot control : myoclonus epilepsy Opioids occasionally cause myoclonus, seizures , and hallucinations .Disorders of muscles and the nervous system
(Definition of myoclonus noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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