Final answer:
Epithelial tissue classification based on shape and layering of cells.
Explanation:
Epithelial tissue comes in various types based on the shape and layering of cells. The provided types include simple cuboidal, simple squamous, pseudostratified columnar, and simple columnar. For example, stratified squamous epithelium can be keratinised or non-keratinised, depending on the presence of keratin.
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