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Toxoplasma-induced immunopathology in the C57BL/6 ileum. (a), Non-infected mouse, showing normal architecture of the intestinal mucosa. (b) Typical ileal lesions occurring 8 days following oral infection of C57BL/6 mice (100 cysts; ME49 parasite strain). Damage is characterized histopathologically by transmural inflammation, sloughing of epithelial tips, fusion of villi and increased necrosis.
