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  1. Oxford Dictionary

    tunica

    • IPA[ˈtjuːnɪkə]

    英式

    • n.
      a membranous sheath enveloping or lining an organ；the outer layer or layers of cells in an apical meristem, which contribute to surface growth.

    • noun: tunica, plural noun: tunicae

    • 釋義

    名詞

    • 1. a membranous sheath enveloping or lining an organ tunica media
    • 2. the outer layer or layers of cells in an apical meristem, which contribute to surface growth.