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epithelial

[ ep-uh-thee-lee-uhl ]

adjective

  1. Biology. being or relating to an epithelium, any tissue that lines a cavity or covers a surface in an animal or plant:

    Cheek epithelial cells are often studied in school labs as they are easily obtained through a mouth rinse or swab.



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Other Words From

  • in·ter·ep·i·the·li·al adjective
  • non·ep·i·the·li·al adjective
  • sub·ep·i·the·li·al adjective
  • un·ep·i·the·li·al adjective

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Word History and Origins

Origin of epithelial1

First recorded in 1935–40; epitheli(um) ( def ) + -al 1( def )

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