PrP<sup >Sc</sup> prion deposition in bovine spongiform encephalopathy

PrPSc prion deposition in bovine spongiform encephalopathy

Micrograph showing deposition of PrPSc prions (in brown) in the CNS of a cow infected with bovine spongiform encephalopathy (immunohistochemical staining).

Courtesy of Centro de Encefalopatías y Enfermedades Transmisibles Emergentes, Universidad de Zaragoza.