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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.
Definition of EPITHELIUM. 1. : a membranous cellular tissue that covers a free surface or lines a tube or cavity of an animal body and serves especially to enclose and protect the other parts of the body, to produce secretions and excretions, and to function in assimilation. 2.