单词	dystonia
释义	dystonia /dɪsˈtəʊnɪə / noun [mass noun] Medicine A state of abnormal muscle tone resulting in muscular spasm and abnormal posture, typically due to neurological disease or a side effect of drug therapy.Within months the neurological disorder focal dystonia took full hold, leaving his hand permanently clenched and unusable.... A diagnosis of focal dystonia was made, and injections of botulinum toxin were offered. Writer's cramp is the commonest form of focal hand dystonia and is thought to be due to basal ganglia dysfunction. Derivatives dystonic /dɪsˈtɒnɪk / adjective ... In this context it is worth noting that until quite recent times neurologists considered dystonic syndromes to be of psychiatric, functional, or non-organic origin. Overdose can cause dystonic reactions and hepatotoxicity. The little girl has dystonic quadriplegic cerebral palsy, which means she is confined to a wheelchair and needs 24-hour care.
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