triploblastic

They are bilateral symmetrical animals with a triploblastic body plan.

它们是三胚层体制的两侧对称.

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Chordates are bilaterally symmetrical, triploblastic segmented coelomates which demonstrate a deuterostomic pattern of early embryonic development.

脊索动物两侧对称 、 胚层,分节的体腔,在胚胎发育的早期过程中,显示为后口类型.

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