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Hydra

A genus of freshwater polyps in the family Hydridae, order Hydroida, class HYDROZOA. They are of special interest because of their complex organization and because their adult organization corresponds roughly to the gastrula of higher animals.
推出的年份: 1972
副标题
树号: B01.050.500.308.485.400
MeSH 单一 ID: D006829
进入的组:
  • Hydras
早前的内容:
  • Coelenterata (1966-1971)

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