In epithelial tissues, cells are arranged in continuous sheets, in either single or multiple layers.

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Epithelial tissues are composed of cells that are tightly packed together in continuous sheets, forming a protective layer over underlying tissues or lining the surfaces of organs and body cavities. This arrangement of cells allows for selective permeability and serves as a protective barrier against physical, chemical, and biological insults. Epithelial tissues can be composed of a single layer of cells (simple epithelium) or several layers (stratified epithelium), depending on their function and location in the body.

In Epithelial Tissues, Cells Are Arranged in Continuous Sheets, in Either