Fig. 7From: Production of highly immunogenic and safe Triton X-100 produced bacterial ghost vaccine against Shigella flexneri 2b serotypeHistopathological image of colon tissues of the negative control (non-immunized non-challenged) group. (a, b and c) represent examination of tissues demonstrated well-organized histological features of the colonic wall, with intact intestinal crypts showing abundant records of goblet cells (arrow) alternated with many enterocytes with intact nuclear and subcellular details, intact propria, as well as submucosal layers (star) without abnormal infiltrates and normal vasculaturesBack to article page