Myotonic dystrophy

myotonic dystrophy n.
A chronic, slowly progressing, inherited disease that usually manifests its first symptoms when individuals reach their 30s, characterized by a wasting of the muscles, failing vision, opacity of the lens of the eyes, ptosis, slurred speech, and general muscular weakness. Also called myotonia atrophica, Steinert’s disease.


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  • Myotonoid

    myotonoid my·ot·o·noid (mī-ŏt’n-oid’) adj. Of or relating to a muscular reaction characterized by slow contraction or relaxation.

  • Myotonus

    myotonus my·ot·o·nus (mī-ŏt’n-əs) n. A tonic spasm or temporary rigidity of a muscle or group of muscles.

  • Myotrophy

    myotrophy my·ot·ro·phy (mī-ŏt’rə-fē) n. Nutrition of muscular tissue.

  • Myotony

    myotony my·ot·o·ny (mī-ŏt’n-ē) n. Muscular tonus or tension.

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