(a) The cardiac region of the stomach. The gastric surface epithelial cells stained red-purple. Scale bar=50 μm. (b) The body region of the stomach. The gastric surface epithelial cells stained red-purple. The neck cells of gastric pits (arrow) stained blue. Scale bar=50 μm. (c) The terminal region of the stomach. The gastric surface epithelial cells stained blue-purple. Scale bar=50 μm. (d) The pyloric region of the stomach. The gastric surface epithelial cells stained red. Scale bar=50 μm. (e) The anterior region of the intestine. The mucus within all goblet cells stained blue-purple. Scale bar=50 μm. (f) The posterior region of the intestine. The mucus within all goblet cells stained blue-purple. Scale bar=50 μm.