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Hemichordata
释义
Hemichordata
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理学
半索动物
释
Hemichordata
半索动物
具口索、鳃裂和背神经索以及身体由吻、领、躯干3部分组成的蠕虫状后口动物,代表动物如柱头虫,又称隐索动物(Adelochorda)。
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