An abortive first stage of the embryo of certain compound ascidians, which becomes by gemmation the foundation of a colony.
| 单词 | θ32285 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > division Molluscoidea > [noun] > division Tunicata > class Ascidiacea > member of > cyathozooid (1) cyathozooid1877 An abortive first stage of the embryo of certain compound ascidians, which becomes by gemmation the foundation of a colony. |
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