planula

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English

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English Wikipedia has an article on:
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Etymology

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Latin , a little plane.

Noun

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planula (plural planulae)

  1. (biology) In embryonic development, a vesicle filled with fluid, formed from the morula by the divergence of its cells in such a manner as to give rise to a central space, around which the cells arrange themselves as an envelope; an embryonic form intermediate between the morula and gastrula.
  2. (zoology) The larva of a hydrozoan, which is free-swimming and covered in cilia.

Derived terms

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Czech

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Pronunciation

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Participle

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planula

  1. inflection of planout:
    1. feminine singular past active participle
    2. neuter plural past active participle