Paratuberculosis, ileum, cow

Paratuberculosis, ileum, cow

Thickened and corrugated ileum from a cow with clinical paratuberculosis. On the left side of the image, the serosal surface is visible. On the right side of the image, the intestine has been incised longitudinally to reveal the corrugated mucosal surface.

Courtesy of Dr. Michael Collins.