Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Abnormal muscular weakness or fatigue.
  • n. Myasthenia gravis.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Abnormal weakness of the muscles; but especially myasthenia gravis

from The Century Dictionary and Cyclopedia

  • n. Muscular debility.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a chronic progressive disease characterized by chronic fatigue and muscular weakness (especially in the face and neck); caused by a deficiency of acetylcholine at the neuromuscular junctions
  • n. any muscular weakness

Etymologies

my- (“relating to muscle”) +‎ asthenia (“weakness”), from Ancient Greek ἀσθένεια (asthénia, "weakness") (Wiktionary)

Examples

  • The CDC report released by the New England Journal of Medicine said the Mexican toddler had a chronic muscle weakness called myasthenia gravis, a heart defect, a swallowing problem and lack of oxygen.

    Mexico Flu Cases Rise to 1,364; Death Toll Reaches 45

  • He said his health - he suffers from muscular weakness called myasthenia gravis - seemed to be getting back into shape with the aid of drugs and exercise.

    ANC Daily News Briefing

  • She developed a muscular disorder called myasthenia gravis and underwent a kidney transplant in 1990.

    SFGate: Top News Stories

  • Jaar suffered from a disease called myasthenia gravis and was in a weak condition, said his son-in-law, Jeremiah Robison, who lives in Utah.

    deseretnews.com - Top Stories

  • Ms. Mankiller was admired for her tenacity, having fought off two serious diseases, lymphoma and a neuromuscular disorder called myasthenia gravis; recovered from kidney failure that would have killed her had not an older brother given her one of his kidneys; and survived a head-on automobile collision in 1979 that forced her to endure 17 operations and years of physical therapy.

    post-gazette.com - News

  • Doctors believe the jab triggered a rare condition affecting the nervous system known as myasthenia gravis.

    Home | Mail Online

  • The Mexican toddler had a chronic muscle weakness called myasthenia gravis, a heart defect, a swallowing problem and lack of oxygen.

    chron.com Chronicle

  • Miguel Tejada Vazquez, 21 months, had a chronic muscle weakness condition called myasthenia gravis, a heart defect, a swallowing problem and lack of oxygen.

    The Seattle Times

  • The Mexican toddler had a chronic muscle weakness called myasthenia gravis, a heart defect,

    KVUE HealthVue

  • The first victim -- a Mexican toddler named Miguel Tejada Vazquez who had been treated at a Texas hospital -- suffered from a chronic muscle disorder called myasthenia gravis, and also had a heart defect, low oxygen, and problems swallowing.

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