Fig. 5From: Comparative histological and histochemical studies between ranitidine and nizatidine in treatment of peptic ulcer with evaluation of their adverse effects on male sex hormonesa 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.BBack to article page