Figure 1From: Response of lymphocyte subsets and cytokines to Shenyang prescription in Sprague-Dawley rats with tongue squamous cell carcinomas induced by 4NQO Both gross and microscopic changes in SD rats' tongues mucosas. A. Normal mucosa of tongue base at 6th week (gross observation and HE ×200); B. Epithelial dysplasia of tongue base at 24th week (gross observation and HE ×200); C. Squamous cell carcinoma of tongue base at 36th week (gross observation and HE ×200). T represents tongue.Back to article page