dystrophia myotonica

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dystrophia myotonica (myotonic dystrophy) (my-ŏ-ton-ikă) n. a type of muscular dystrophy in which the muscle weakness and wasting is accompanied by an unnatural prolongation of the muscular contraction after any voluntary effort (see myotonia). The disease can affect both sexes (as it is inherited as an autosomal dominant trait).

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