Figure 3.

Ileocaecal regions of mice from different groups. Normal caecum of (A) Uninfected mouse administered with dexamethasone (CDex group), (B) C. muris-infected Dex-treated mouse (MD group) and (C) C. parvum-infected mouse (P group). (D) Projection of polypoid structures with focal cystic dilation (arrows) developing inside the intestinal lumen of a C. parvum-infected Dex-treated SCID mouse. Hematoxylin & Eosin staining.