ep·i·the·li·um /ˌɛpəˈθiliəm/
 上皮,上皮細胞


 ep·i·the·li·um /ˌɛpəˈθɪlɪəm/ 名詞
 上皮(組織)


 Ep·i·the·li·um n.; pl. E. Epitheliums L. Epithelia   Anat. The superficial layer of cells lining the alimentary canal and all its appendages, all glands and their ducts, blood vessels and lymphatics, serous cavities, etc. It often includes the epidermis (i. e., keratin-producing epithelial cells), and it is sometimes restricted to the alimentary canal, the glands and their appendages, -- the term endothelium being applied to the lining membrane of the blood vessels, lymphatics, and serous cavities.

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 epithelium
      n : membranous tissue covering internal organs and other
          internal surfaces of the body [syn: epithelial tissue]
      [also: epithelia (pl)]