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Fig. 7. Uptake rate of L-leucine (A), L-proline (B) and
D-glucose (C) of the proximal, middle and distal portions of the
small intestine of fasted and fed Heloderma suspectum. For details of
meal treatments, see Fig. 2.
Values are means ±1 s.e.m., N=3 for each fasted and fed
treatment. Different letters above the bars denote significant differences
between means (see text for P values). There was no detectable uptake
of D-glucose for the distal small intestine of fasted lizards;
therefore, no bar is shown. Lizards experienced no significant postprandial
increase in L-leucine and L-proline uptake, whereas
D-glucose uptake increased significantly with feeding in the
proximal and middle small intestine.