Fig. 5
![Fig. 5](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs41936-020-00196-6/MediaObjects/41936_2020_196_Fig5_HTML.png)
a Negative control group gastric mucosa showing normal distribution and structure of parietal cells (PC), X40 T.B. b NSAIDs-induced peptic ulcer group showing an increased number of parietal cells (PC), X40 T.B. c Nizatidine prophylactic group showing a marked increase in PC, X40 T.B. d Nizatidine-treated group for 2 weeks showing marked infiltration of inflammatory cells (IFC) with increased (PC), X40 T.B. e Nizatidine-treated group 3 weeks showed marked increase of PC with mild infiltration of inflammatory cells, X40 T.B