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    Did you mean Epithelium?
    GlossaryEpithelium

    type of tissue covering body surfaces and lining cavities

    Epithelium is a type of tissue that forms the outer layer of the body's surfaces and lines internal organs and cavities. It acts as a protective barrier and is involved in functions such as absorption, secretion, and sensation. For example, the skin's outer layer and the lining of the digestive tract are made up of epithelial cells.

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