scrapie(redirected from scrapie-associated fibrils)
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A fatal neurodegenerative disease of sheep and goats caused by a prion and marked by chronic itching and loss of muscular coordination.
[From scrape (from the scraping of itching parts of the skin against objects).]
(Veterinary Science) a disease of sheep and goats: one of a group of diseases (including BSE in cattle) that are caused by a protein prion, and result in spongiform encephalopathy
[C20: from scrape + -ie]
scrap•ie(ˈskreɪ pi, ˈskræp i)
an infectious, usu. fatal brain disease of sheep, characterized by twitching of the neck and head, grinding of the teeth, and attempts to scrape itching portions of skin.