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Figure 3 | BMC Veterinary Research

Figure 3

From: Differential cytokine gene expression profiles in the three pathological forms of sheep paratuberculosis

Figure 3

Histopathology of the terminal ileum from multibacillary sheep. (a) Ziehl-Neelsen stain (× 250) showing the presence of many intracellular mycobacteria associated with the infiltrating macrophages. (b) H&E stained low power (×250) showing infiltration of the lamina propria by sheets of epithelioid macrophages distending the propria and flattening the surface mucosa. (c) H&E stained high power (×400) demonstrating the uniform population of epithelioid macrophages with abundant cytoplasm infiltrating around an intestinal crypt.

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