Figure 3. Microscopic appearance of colons from Control, HP-treated mice, TNBS-treated mice and TNBS + NCTC11639-treated mice.

Paraffin-embedded sections of the distal 4–6 cm from the anus were stained with HE. A, no significant inflammation in the bowel wall. B, severe transmural inflammation in the bowel wall. C, moderate inflammation in the bowel wall. All sections are shown at 100× magnification.