myasthenia

American  

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

noun

Pathology.

1. muscle weakness.

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myasthenia British  

/ ˌmaɪəsˈθiːnɪə /

noun

1. any muscular weakness

2. short for myasthenia gravis

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Other Word Forms

• myasthenic
  adjective

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Etymology

Origin of myasthenia

First recorded in 1855–60; my- + asthenia

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Example Sentences

See Examples For:

myasthenia

Germinal center cells also play an important role in certain autoimmune diseases, including rheumatoid arthritis and myasthenia gravis.

From Science Daily ● Oct. 8, 2026

The firm helped build, for example, a tool that screens for a rare neuromuscular disorder called myasthenia gravis.

From The Wall Street Journal ● Aug. 15, 2026

Blackmore victim Paul Stevens, who was forced to retire from work due to an auto-immune disease called myasthenia gravis, invested his ill-health retirement benefit into the fund.

From BBC ● Aug. 16, 2022

After a year and a half of tests and several brutal eye surgeries, he was given a diagnosis of myasthenia gravis, a rare autoimmune disease that interferes with the way nerves and muscles communicate.

From New York Times ● Jul. 3, 2017

Esophageal paralysis is not uncommon in myasthenia gravis.

From Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery by Chevalier Jackson

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