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prion disease
noun
: any of a group of spongiform encephalopathies that are caused by prions and that include bovine spongiform encephalopathy, Creutzfeldt-Jakob disease, kuru, scrapie, and variant Creutzfeldt-Jakob disease
called also transmissible spongiform encephalopathy
Examples of prion disease in a Sentence
Recent Examples on the Web
The prion disease, first identified in a Colorado research facility in the 1970s, has been making headlines for decades.
—
Christine Peterson, Outdoor Life, 25 Dec. 2024
Chronic wasting disease is a prion disease — a rare, neurodegenerative disorder caused by misfolded proteins, called prions, that damage brain tissue.
—
Jake Parks, Discover Magazine, 5 Nov. 2024
The letter also notes that lions help curb the spread among ungulates of chronic wasting disease, a highly contagious prion disease, by removing sick animals.
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Byhannah Richter, science.org, 1 Nov. 2024
In the pilot episode, directed by Larry Teng, Watson is confronted with a case of fatal familial insomnia which is coupled with the challenge of trying to help a pregnant woman with the neurodegenerative prion disease live long enough to deliver her baby.
—
Liza Foreman, The Hollywood Reporter, 20 Oct. 2024
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Word History
First Known Use
1986, in the meaning defined above
Dictionary Entries Near prion disease
Cite this Entry
“Prion disease.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prion%20disease. Accessed 9 Feb. 2025.
Medical Definition
prion disease
noun
: any of a group of spongiform encephalopathies that are caused and transmitted by prions and that include bovine spongiform encephalopathy, Creutzfeldt-Jakob disease, fatal familial insomnia, Gerstmann-Sträussler-Scheinker syndrome, kuru, scrapie, and variant Creutzfeldt-Jakob disease
called also transmissible spongiform encephalopathy
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