amyotrophic lateral sclerosis

noun

amyo·​tro·​phic lateral sclerosis ˌā-ˌmī-ə-ˈtrō-fik- How to pronounce amyotrophic lateral sclerosis (audio) -ˈträ- How to pronounce amyotrophic lateral sclerosis (audio)
: a rare progressive degenerative fatal disease affecting the motor neurons, usually beginning in middle age, and characterized especially by increasing and spreading muscular weakness and atrophy
abbreviation ALS

called also Lou Gehrig's disease

Examples of amyotrophic lateral sclerosis in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
With their photograph, the two neuroscientists at Augusta University showed how disturbances to the structural framework of a cell, known as its cytoskeleton, can lead to diseases like Alzheimer’s and amyotrophic lateral sclerosis (ALS). Sarah Kuta, Smithsonian Magazine, 21 Oct. 2024 The company said the foundry will be the first of its kind to bring together research and production, and will help develop more drugs for Alzheimer’s disease and other neurodegenerative conditions like amyotrophic lateral sclerosis, or ALS. 5. Michele Luhn,kristian Burt, CNBC, 3 Oct. 2024 Joe Bonsall health issues with amyotrophic lateral sclerosis caused retirement Bonsall retired from performing on the road with the group after 50 years six months ago, citing the half-decade onset of his ALS diagnosis. Marcus K. Dowling, USA TODAY, 9 July 2024 Early research has established a likely link between these activities and Parkinson’s, as well as other neurodegenerative diseases like Alzheimer’s, amyotrophic lateral sclerosis (ALS) and chronic traumatic encephalopathy (CTE). Randi Richardson, NBC News, 24 Sep. 2024 See all Example Sentences for amyotrophic lateral sclerosis 

Word History

Etymology

a- entry 2 + my- + -trophic

First Known Use

1875, in the meaning defined above

Time Traveler
The first known use of amyotrophic lateral sclerosis was in 1875

Dictionary Entries Near amyotrophic lateral sclerosis

amyotonia

amyotrophic lateral sclerosis

Amyraldism

Cite this Entry

“Amyotrophic lateral sclerosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amyotrophic%20lateral%20sclerosis. Accessed 28 Nov. 2024.

Medical Definition

amyotrophic lateral sclerosis

noun
: a rare fatal progressive degenerative disease that affects pyramidal motor neurons, usually begins in middle age, and is characterized especially by increasing and spreading muscular weakness
abbreviation ALS

called also Lou Gehrig's disease

More from Merriam-Webster on amyotrophic lateral sclerosis

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!