Squamous epithelial cell

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In anatomy, squamous epithelium (from Latin squama, "scale") is an epithelium characterised by its most superficial layer consisting of flat, scale-like cells called squamous epithelial cells. Epithelium may be composed of one layer of these cells, in which case it is referred to as simple squamous epithelium, or it may possess multiple layers, referred to then as stratified squamous epithelium. Both types perform differing functions, ranging from nutrient exchange to protection.[citation needed]

Cancers of the squamous epithelium include squamous cell carcinoma, basal cell carcinoma, and other adnexal tumors.[citation needed]

Squamous epithelial cells have a polygonal appearance when viewed from above.[1]

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