Negri body

Negri body

A sharply demarcated, round-to-oval acidophilic cytoplasmic inclusion, which contains DNA and RNA. Negri bodies are virtually pathognomonic for rabies, and found in infected neurones.
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Caption: Left, Adelchi Negri 1876-1912, right: Neuron showing a cytoplasmic inclusion body (Negri body, arrow).
The distinctive oval shaped intracytoplasmic Negri body was present in Purkinje cells of single positive sample.