Covering epithelium According to the number of layer and shape of cells Simple epi.: ---simple squamous epi - -simple cuboidal epi -simple columnar epi. -pseudostratified ciliated columnar epi Stratified epi.: ---stratified squamous epI -e-stratified columnar epi ---transitional epi4 Covering epithelium: According to the number of layer and shape of cells Simple epi.: ---simple squamous epi. ---simple cuboidal epi. ---simple columnar epi. ---pseudostratified ciliated columnar epi. Stratified epi.: ---stratified squamous epi. ---stratified columnar epi. ---transitional epi