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Staining of mouse and sheep scrapie brain sections
Scrapie brain research. Gloved hand pipettes stain onto sections of mouse and sheep brain infected with scrapie. This makes the microscopic examination of the slides easier. Scrapie, primarily an infection of sheep and goats, is due to a virus-like prion which harms nerve function. Sheep symptoms include glazed eyes and uncontrolled tremor. Prions also cause BSE (Bovine Spongiform Encephalopathy) in cattle, known as \mad cow\" disease. BSE appeared in Britain around 1985. BSE cattle in turn have been linked to the fatal new variant Creutzfeldt-Jakob disease (vCJD) in humans. Photographed at the Institute for Animal Health Laboratories in Edinburgh, Scotland."
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