About The Medical Condition MERRF Syndrome
Find the definition of the medical term MERRF Syndrome. MERRF Syndrome defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
MERRF Syndrome
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What's The Definition Of The Medical Condition MERRF Syndrome?
A mitochondrial encephalomyopathy characterized clinically by a mixed seizure disorder, myoclonus, progressive ataxia, spasticity, and a mild myopathy. Dysarthria, optic atrophy, growth retardation, deafness, and dementia may also occur. This condition tends to present in childhood and to be transmitted via maternal lineage. Muscle biopsies reveal ragged-red fibers and respiratory chain enzymatic defects. (From Adams et al., Principles of Neurology, 6th ed, p986)
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