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myotonic dystrophy

noun

Definition of myotonic dystrophy

: a muscular disorder that is characterized by dystrophic muscle weakness and myotonia affecting multiple bodily systems and that is caused by an abnormally high number of repeats of a codon in the genetic material

Examples of myotonic dystrophy in a Sentence

Recent Examples on the Web

 Megan has myotonic dystrophy, a form of muscular dystrophy that affects muscles and other organs in the body. — Paul A. Smith, Milwaukee Journal Sentinel, "Smith: Lake Michigan fishery takes on a special shine for annual USSA outing," 23 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'myotonic dystrophy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of myotonic dystrophy

1929, in the meaning defined above

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More Definitions for myotonic dystrophy

myotonic dystrophy

noun

Medical Definition of myotonic dystrophy

: an inherited condition that is characterized by delay in the ability to relax muscles after forceful contraction, wasting of muscles, formation of cataracts, premature baldness, atrophy of the gonads, endocrine and cardiac abnormalities, and often intellectual disability and that is inherited as an autosomal dominant trait —abbreviation DM

— called also Steinert's disease

More from Merriam-Webster on myotonic dystrophy

Britannica.com: Encyclopedia article about myotonic dystrophy

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