scrapie

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scrap·ie

(skrap'ē, skrā'pē),
A communicable spongiform encephalopathy of the central nervous system of sheep and goats caused by a prion and characterized by a very long incubation period followed by pruritus, abnormalities of gait, and invariably death; it resembles Creutzfeldt-Jakob disease and kuru in humans.
[from scraping by affected animals against objects to relieve itching]

scrapie

(skrā′pē, skrăp′ē)
n.
A fatal neurodegenerative disease of sheep and goats caused by a prion and marked by chronic itching and loss of muscular coordination.
A prion-induced infection, which causes fatal neurologic degeneration in sheep and goats, who scrape themselves on rocks and other surrogate back-scratchers; the scrapie agents are transmissible spongiform encephalopathy agents, which integrate themselves into the cell membrane, possibly as replicable glycoproteins

scrap·ie

(skrā'pē)
A communicable spongiform encephalopathy of the central nervous system of sheep and goats caused by a prion; resembles Creutzfeldt-Jakob disease and kuru in humans.
[from scraping against objects by affected animals to relieve itching]

scrapie

A fatal nervous system disease of sheep featuring a SPONGIFORM ENCEPHALOPATHY. Scrapie is caused by a PRION and has an incubation period of 2 to 7 years.

scrapie

a disease of sheep, thought to be caused by PRIONS, in which the animal develops intense itching and increasing weakness, and eventually dies.