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Medical Dictionary

epithelium

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noun ep·i·the·li·um \ˌep-ə-ˈthē-lē-əm\

Medical Definition of epithelium

plural ep·i·the·lia \-lē-ə\play

  1. :  a membranous cellular tissue that covers a free surface or lines a tube or cavity of an animal body and serves especially to enclose and protect the other parts of the body, to produce secretions and excretions, and to function in assimilation



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