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  1. epithelium

    • IPA[ˌɛpɪˈθiːlɪəm]

    英式

    • n.
      the thin tissue forming the outer layer of a body's surface and lining the alimentary canal and other hollow structures.;the part of the epithelium derived from embryonic ectoderm and endoderm, as distinct from endothelium and mesothelium.
    • noun: epithelium, plural noun: epithelia

    • 相關詞
    • n.
      a layer of pigmented cells in the retina of the eye, overlying the choroid.

    Oxford Dictionary

    • n.
      a layer of pigmented cells in the retina of the eye, overlying the choroid.

    Oxford American Dictionary

    • 更多解釋
    • IPA[ˌepəˈTHēlēəm]

    美式

    • n.
      the thin tissue forming the outer layer of a body's surface and lining the alimentary canal ...

    Oxford American Dictionary