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  1. Oxford Dictionary

    epiblast

    • IPA[ˈɛpɪblast]

    英式

    • n.
      the outermost layer of an embryo before it differentiates into ectoderm and mesoderm.

    • noun: epiblast, plural noun: epiblasts

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    epiblast

    • IPA[ˈepəˌblast]

    美式

    • n.
      the outermost layer of an embryo before it differentiates into ectoderm and mesoderm.

    Oxford American Dictionary