Figure 1From: Experimental transmission of bovine spongiform encephalopathy to European red deer (Cervus elaphus elaphus)Spongiform change in the obex of the brain from a clinically affected BSE challenged deer. Note the optically empty vacuoles in both neuronal perikarya (black arrows), occasionally containing membranous debris, and also the neuropil (red arrows). Haematoxylin and eosin. Bar = 50 μm.Back to article page