myasthenia

[mahy-uhs-thee-nee-uh]

noun

Pathology.

1. muscle weakness.

myasthenia

/ ˌmaɪəsˈθɛnɪk, ˌmaɪəsˈθiːnɪə /

noun

1. any muscular weakness

2. short for myasthenia gravis

Other Word Forms

• myasthenic adjective

Word History and Origins

Origin of myasthenia¹

First recorded in 1855–60; my- + asthenia

Word History and Origins

Origin of myasthenia¹

C19: from _myo- + _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.

Read more on BBC

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

Read more on Washington Post

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

Read more on Washington Post

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

Read more on New York Times

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

Read more on New York Times