myasthenia

[ mahy-uhs-thee-nee-uh ]

noun

, Pathology.

1. muscle weakness.

myasthenia

/ ˌmaɪəsˈθɛnɪk; ˌmaɪəsˈθiːnɪə /

noun

1. any muscular weakness
2. See myasthenia gravis
   short for myasthenia gravis

Derived Forms

• myasthenic, adjective

Other Words From

• my·as·then·ic [mahy-, uh, s-, then, -ik], 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

Methotrexate also suppresses the immune system and is prescribed for multiple sclerosis, myasthenia gravis, rheumatoid arthritis, psoriasis, and Crohn’s disease, LaHue explained.

From Popular-Science

He compares it to certain forms of cardiac dilatation—both expressions of myasthenia.

From Project Gutenberg