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The most prevalent of the stratified epithelia is the squamous variety. As a keratinized or waterproofed component of the skin, stratified squamous epithelium provides substantial protection against friction, microbial invasion and dessication.Keratinized stratified squamous epithelium is identified by the multiple layers of dead cells at the surface.s a keratinized or waterproofed component of the skin, stratified squamous epithelium provides substantial protection against friction, microbial invasion and dessication. Keratinized stratified squamous epithelium is identified by the multiple layers of dead cells at the surface.
Transitional epithelium is a stratified epithelium in which the shape of the surface cells changes (undergoes transitions) depending on the degree of stretch.When a transitional epithelium is not stretched (for example in an empty bladder) the cells of the surface layers are large and rounded.ransitional epithelium is a stratified epithelium in which the shape of the surface cells changes (undergoes transitions) depending on the degree of stretch.