Fig. 4From: Prophylactic effect of topical (slow-release) and systemic curcumin nano-niosome antioxidant on oral cancer in ratHigh 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)Back to article page