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Myotomy

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• Myotonia

  [mahy-uh-toh-nee-uh] /ˌmaɪ əˈtoʊ ni ə/ noun, Pathology. 1. tonic muscle spasm or muscular rigidity. /ˌmaɪəˈtəʊnɪə/ noun 1. lack of muscle tone, frequently including muscle spasm or rigidity Also called amyotonia myotonia my·o·to·ni·a (mī’ə-tō’nē-ə) n. Delayed relaxation of a muscle after an initial contraction. my’o·ton’ic (-tŏn’ĭk) adj.

• Myotonia atrophica

  myotonia atrophica myotonia a·troph·i·ca (ə-trŏf’ĭ-kə) n. See myotonic dystrophy.

• Myotonia congenita

  myotonia congenita myotonia con·gen·i·ta (kən-jěn’ĭ-tə) n. A hereditary disease characterized by tonic spasm or temporary rigidity of certain muscles after an attempt has been made to move them. Also called Thomsen’s disease.

• 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.

• Myotonoid

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

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