myasthenia

American  

[mahy-uhs-thee-nee-uh] / ˌmaɪ əsˈθi ni ə /

noun

Pathology.

1. muscle weakness.

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myasthenia British  

/ ˌmaɪəsˈθɛnɪk, ˌmaɪəsˈθiːnɪə /

noun

1. any muscular weakness

2. short for myasthenia gravis

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Other Word Forms

• myasthenic adjective

Etymology

Origin of myasthenia

First recorded in 1855–60; my- + asthenia

Example Sentences

Nine-time Grand Slam champion Monica Seles has revealed she was diagnosed with myasthenia gravis - a neuromuscular autoimmune disease - three years ago.

From BBC

Bender confirmed her father’s death and said the cause was complications from myasthenia gravis, a neuromuscular disease.

From Washington Post

The doctor wrote that she wanted to distinguish between myasthenia and “another process causing . . . symptoms, like for example motor neuron disorders.”

From Washington Post

Could it be a different type of autoimmune disease — maybe myasthenia gravis?

From New York Times

Patients with myasthenia have muscles that tire out much more quickly than normal.

From New York Times