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. 2022 Apr 19;22:109. doi: 10.1186/s12906-022-03590-5

Fig. 4.

Fig. 4

High power section of dorsal tongue mucosa of the carcinogen-treated rat shows individual cell keratinization, abnormal superficial mitosis, abnormal variation in cell and nuclear size and shape, and loss of polarity of basal cells. Underlying connective tissue shows angiogenesis (× 400)