scrapie
Definition
Noun: A fatal, degenerative disease affecting the central nervous system of sheep and goats. It is a transmissible spongiform encephalopathy (TSE) characterized by chronic itching (pruritus), loss of coordination, behavioral changes, and progressive neurological decline.
Usage
The word "scrapie" is used exclusively as a noun to refer to the specific animal disease. It is typically used in veterinary, agricultural, and biomedical contexts. * Scrapie is a concern for sheep farmers and animal health regulators. * Research into scrapie has provided important insights into prion diseases. * The flock was quarantined due to a suspected case of scrapie.
Examples
- The veterinarian diagnosed the sheep with scrapie after observing its intense scratching and unsteady gait.
- Scrapie has been known in Europe for centuries.
- There is no treatment or vaccine for scrapie.
Advanced Usage
- Scrapie agent: Refers to the infectious prion protein responsible for causing the disease.
- The scrapie agent is highly resistant to conventional sterilization methods.
- In scientific literature, "scrapie" is often discussed in the context of other prion diseases like bovine spongiform encephalopathy (BSE or "mad cow disease") and Creutzfeldt-Jakob disease (CJD) in humans.
Variants and Related Words
- Prion (noun): A type of infectious protein particle that causes scrapie and other TSEs. It is not a virus or bacterium.
- Transmissible spongiform encephalopathy (TSE) (noun): The formal medical category of diseases that includes scrapie, BSE, and CJD, all characterized by sponge-like brain degeneration.
Synonyms
- There are no direct common-language synonyms for this specific veterinary term. In technical contexts, it may be referred to as a prion disease of sheep/goats or a TSE in ovines.
Idioms
- Not applicable. "Scrapie" is a technical term and is not used idiomatically.
Phrasal Verbs
- Not applicable. "Scrapie" is a noun and does not form phrasal verbs.
Noun
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a fatal disease of sheep characterized by chronic itching and loss of muscular control and progressive degeneration of the central nervous system
