Research Article

Nostoc sphaeroides Kütz Polysaccharide Improved Constipation and Promoted Intestinal Motility in Rats

Figure 4

Mucosa layer thickness, muscle thickness, and crypt layer thickness are presented as graphs. (a) Muscle thickness; (b) mucosa thickness. Bars marked with different letters represent statistically significant difference (), whereas bars labeled with the same letter indicate no statistically significant difference between the groups (). Values represent mean ± SEM; n = 10 in each group.
(a)
(b)