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单词 myasthenia gravis
释义

myasthenia gravis

noun

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

Example Sentences

Recent Examples on the Web In 2018, Billingsley was diagnosed with myasthenia gravis, an autoimmune neuromuscular disease. David Woods, USA TODAY, 17 July 2022 In 2018, Billingsley was diagnosed with myasthenia gravis, an autoimmune neuromuscular disease. David Woods, USA TODAY, 17 July 2022 In 2018, Billingsley was diagnosed with myasthenia gravis, an autoimmune neuromuscular disease. David Woods, USA TODAY, 17 July 2022 In 2018, Billingsley was diagnosed with myasthenia gravis, an autoimmune neuromuscular disease. David Woods, USA TODAY, 17 July 2022 In 2018, Billingsley was diagnosed with myasthenia gravis, an autoimmune neuromuscular disease. David Woods, USA TODAY, 17 July 2022 In 2018, Billingsley was diagnosed with myasthenia gravis, an autoimmune neuromuscular disease. David Woods, The Indianapolis Star, 16 July 2022 In the comic books, Web is a blind, elderly woman who suffers from myasthenia gravis, an autoimmune disorder that forces her to use a life support system. Vanessa Etienne, PEOPLE.com, 17 Mar. 2022 In the comic books, Web is a blind, elderly woman who suffers from myasthenia gravis, an autoimmune disorder that forces her to use a life support system. Vanessa Etienne, PEOPLE.com, 17 Mar. 2022 See More

Word History

Etymology

New Latin, literally, grave myasthenia

First Known Use

1900, in the meaning defined above

Medical Definition

myasthenia gravis

noun

myasthenia gra·​vis -ˈgrav-əs How to pronounce myasthenia gravis (audio) -ˈgräv- How to pronounce myasthenia gravis (audio)
: 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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更新时间:2024/12/23 22:01:25