Figure 2 : A photomicrograph of buccal mucosa stained with Periodic acid Schiff (PAS).

(a) Buccal mucosa from group I showing intense PAS positive reaction (arrow) [PAS, X400, scale bar=25 μm]. (b) Buccal mucosa from group II showing weak PAS positive reaction (arrow) [PAS, X400, scale bar=25 μm]. (c) Buccal mucosa from group III showing intense PAS positive reaction (arrow)[PAS, X400, scale bar=25 μm]. (d) Buccal mucosa from group IV showing intense PAS positive reaction (arrow)[PAS, X400, scale bar=25 μm].

El-Mahalaway et al.Journal of Histology & Histopathology  2017 4:12DOI : 10.7243/2055-091X-4-12