Figure 4.
Histological section of the cheek pouch showing level 2 damage, with a necrosis of muscle and CT with polymorphonuclear invasion (between the black lines). An inflammatory oedema with stases of blood vessels indicated by arrows is present. The skin not visible in this figure, is located below the striated muscle layer. E=epithelium; LP=lamina propria; SMI=striated muscle inner layer; CT=connective tissue; SMO=striated muscle outer layer. The lower bar represents 200 μm.