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Fig. 4. (A) Thickness of the proximal intestine mucosa and muscularis/serosa layers
and (B) micrographs of the intestinal epithelium of fasted and fed
Heloderma suspectum (1DPF). For details of meal treatments, see
Fig. 2. Scale bars, 200 µm;
Values in A are means ±1 s.e.m., N=3 for each fasted and fed
treatment. Different letters above the bars denote significant differences
between means (for P values, see text). For each fed treatment
intestinal mucosa had significantly increased in thickness, whereas the
muscularis/serosa layer did not change.