A Case of Contagious Ecthyma (Orf Virus) in a Nonmanipulated Laboratory Dorset Sheep (Ovis aries)
Figure 5
Haired skin, lip commissure. Epithelial hyperplasia () with increased thickness up to 10 times normal (acanthosis) with prominent intracellular clear spaces/bridging (spongiosis), anastomosing rete ridges, and a vesicle (arrow). Inset: rarely keratinocytes contain one or more 2–10 µm round, brightly eosinophilic intracytoplasmic inclusion bodies (arrowheads). Hematoxylin and eosin stain, 20x objective.