myotonic dystrophy

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Noun1.myotonic dystrophy - a severe form of muscular dystrophy marked by generalized weakness and muscular wasting that affects the face and feet and hands and neck; difficult speech and difficulty with the hands that spreads to the arms and shoulders and legs and hips; the onset can be any time from birth to middle age and the progression is slow; inheritance is autosomal dominant
dystrophy, muscular dystrophy - any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles
References in periodicals archive ?
Myotonic dystrophy (DM; MIM 160900) is an autosomal dominant disorder associated with expansion of an unstable CTG trinucleotide repeat in the 3' untranslated region of the DM kinase gene (DMPK) on chromosome 19q13 (1).