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triploblastic adj.【動物;動物學】三胚層的。

triploid

Chordates are bilaterally symmetrical , triploblastic , segmented coelomates which demonstrate a deuterostomic pattern of early embryonic development 脊索動物兩側對稱、三胚層,分節的體腔,在胚胎發育的早期過程中,顯示為后口類型。