Fig. 4
From: Bacterial accumulation in intestinal folds induced by physical and biological factors
Difference in bacterial behavior between the lumen and the folds. a Location of the lumen and folds on the abdomen of supine zebrafish. b, c Distribution of bacteria in the confocal fluorescence microscopic field of view in the middle cross-section of the anterior intestinal lumen (b) and intestinal wall folds (c). d and e represent the trajectories of the swimming bacteria in b and c, respectively. b–e The results 0 h after injection. f, g The mean squared displacement (MSD) in the anterior intestinal lumen or folds varied at 0 h (N = 8 fish) (f) and 1 h (g) after the injection. The lines represent the mean, and the shaded regions indicate the standard deviations (N = 6 fish)