For Epithelium we have terms and definitions in 14 topics. The topics are Beauty, Dairy Production, Entomological, Eye Surgery, HIV and AIDs, Health, Health and Beauty, Horse Health, Insect, Medical, Mesothelioma, Microbiology, Pathology and Prostate Cancer.

Cellular covering of internal and external body surfaces.
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Membranous tissue, usually in a single layer, composed of closely arranged cells separated by very little intercellular substance. The epithelium forms the lining of the respiratory, intestinal, and urinary tracts and the outer surface of the body.
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The layer of cells that covers a surface or lines a cavity.
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The outermost layer of cells of the cornea. Six cells thick (20 microns), the epithelium is the eye's first defense against infection.
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The covering of the internal and external organs of the body. Also the lining of vessels, body cavities, glands, and organs. It consists of cells bound together by connective tissue and varies in the number of layers and the kinds of cells.
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The covering of the internal surfaces of the body, such as the lining of the gastrointestinal tract.
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Cellular covering of internal and external body surfaces.
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Cellular covering of the internal and external surfaces of the body
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The layer of cells that covers a surface or lines a cavity.
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The layer of cells that covers the body and lines many organs
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The layer of cells forming the surface of skin and mucous membranes. In general, it serves to protect, absorb and secrete, in addition to other specialized functions.
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Tissue composed of contiguous cells that forms the epidermis and lines hollow organs and all passages of the respiratory, digestive, and genitourinary systems.
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A specialized type of tissue that normally lines the surfaces and cavities of the body.
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A thin layer of tissue that covers organs, glands, and other structures within the body.
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