1. Simple squamous epithelium The cells are flat and only one layer. 2. Simple cuboidal epithelium The cells are cuboid and only one layer. 3. Simple columnar epithelium. The cells are columnar and only one layer. 4. Stratified squamous epithelium The cells are flat and containing several layers. 5. Stratified cuboidal epithelium The cells are cuboid and containing several layers. 6. Stratified columnar layer The cella are columnar and containing several layers.
