myasthenia gravis

myasthenia gra·​vis | \ -ˈgra-vəs How to pronounce myasthenia gravis (audio) , -ˈgrä- How to pronounce myasthenia gravis (audio) \

Definition of myasthenia gravis

: a disease that is characterized by progressive weakness and exhaustibility of voluntary muscles without atrophy and is caused by an autoimmune attack on muscle cell receptors which normally bind to acetylcholine released at nerve endings

Note: Symptoms of myasthenia gravis may include double vision, drooping of the eyelids, difficult swallowing, impaired speech, and weakness in the arms, legs, and neck.

… in myasthenia gravis, antibodies destroy the muscle's receptor proteins that serve as docks for this signal, a chemical called acetylcholine.Science News

Examples of myasthenia gravis in a Sentence

Recent Examples on the Web His son said his father’s early research elucidated the mechanisms of myasthenia gravis, a neuromuscular disorder, and developed instrumentation and techniques for studying the neuromuscular junction. Jacques Kelly,, "Dr. Richard J. Johns, Johns Hopkins biomedical engineer, dies," 4 Dec. 2020 Generalized myasthenia gravis is a chronic and debilitating condition in which the body’s own antibodies disrupt the communication between nerve endings and muscles. Adam Feuerstein, STAT, "Momenta Pharma drug improves symptoms in patients with myasthenia gravis," 15 June 2020 Another, by Athena Diagnostics, enables doctors to diagnose a patient’s root cause of myasthenia gravis. Paul R. Michel And Matthew J. Dowd, WSJ, "America’s Innovators Need Clear Patent Laws," 23 Jan. 2020 According to the United States National Institute of Neurological Disorders and Stroke, myasthenia gravis causes weakness in the skeletal muscles. Julia Hollingsworth, CNN, "Philippines President Duterte reveals he has a chronic neuromuscular disease," 6 Oct. 2019 James Harold Godden, 67, of Delray Beach, Florida, passed away on October 1, 2019, after courageously battling myasthenia gravis for nearly five years., "Deaths in South Florida: 10/3," 3 Oct. 2019 The cause was pneumonia and complications from myasthenia gravis, said a daughter-in-law, Kathryn Ceja. Washington Post, "Community deaths," 9 Sep. 2019 Consider the paradox of rare illnesses such as cystic fibrosis or myasthenia gravis. Jamil Zaki, Scientific American, "The Technology of Kindness," 6 Aug. 2019 His wife, Diane McGregor, said the cause was complications of the autoimmune disorder myasthenia gravis. Dennis Overbye,, "Bradford Smith, 86, dies; showed postcards from outer space," 13 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'myasthenia gravis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of myasthenia gravis

1900, in the meaning defined above

History and Etymology for myasthenia gravis

New Latin, literally, grave myasthenia

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The first known use of myasthenia gravis was in 1900

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Cite this Entry

“Myasthenia gravis.” Dictionary, Merriam-Webster, Accessed 8 May. 2021.

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More Definitions for myasthenia gravis

myasthenia gravis

myasthenia gra·​vis | \ -ˈgrav-əs How to pronounce myasthenia gravis (audio) , -ˈgräv- How to pronounce myasthenia gravis (audio) \

Medical Definition of myasthenia gravis

: a disease characterized by progressive weakness and exhaustibility of voluntary muscles without atrophy or sensory disturbance and caused by an autoimmune attack on acetylcholine receptors at neuromuscular junctions

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