Fig. 1: Dietary fiber deficiency damages intestinal morphology.

Colorectal tissues were stained with Verhoeff-Van Gieson stain to visualize the mucosal tissue histology (40× magnification) (A–G). Colon crypt depths were measured under a Leica DM6000B microscope (H), n = 5 mice/group; *p ≤ 0.05, ***p ≤ 0.001.