Figure 1: Hematoxylin and eosin-stained sections of xylene, kerosene, and turpentine at 4X, 10X, and 40X. Group-1 (Xylene) H and E-stained section showing connective tissue composed of dense inflammatory cells and a few hemorrhagic areas. Group-2 (Turpentine) shows oral epithelium and connective tissue. Group-3 (Kerosene) shows mucous glands and excretory ducts. Mucous glands are lined by a flat nucleus at the periphery