Fig. 4

Systemic ceftriaxone administration did not affect intestinal mucosal pathology. A Representative picture of H&E stained sections of the proximal colon from different experimental treatment groups on day 7. Magnification, ×200 (scale bar, 50 μm). B Cellular infiltration score of proximal colon sections was blindly graded (n = 3 per group). Data are shown as the mean ± SEM of one experiment.