对海盘车腕再生过程的研究，对于早日揭示棘皮动物等后口动物的再生机理具有重要意义。

Studies on the regeneration process of amputated starfish arms are of great importance in the validation of the mechanisms of metazoan regeneration.

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脊索动物两侧对称、三胚层，分节的体腔，在胚胎发育的早期过程中，显示为后口类型。

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

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目的观察一次经口给予小鼠土肥后， 动物在短期内出现的健康损害效应，从而建立一套经济、快捷的土壤肥料急性毒性检测标准方法。

Objective To establish a economic and short-term method of soil fertilizer through the acute health hazard in mice for acute oral toxicity evaluation.

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