ectental

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Relating to, or connected with, the two primitive germ layers, the ectoderm and endoderm. not-comparable
    — the ectental line, or line of juncture of the two layers in the segmentation of the ovum

词源

From ecto- + endo- + -al.
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