planula

English dictionary entry

Meanings

noun
  1. 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. The larva of a hydrozoan, which is free-swimming and covered in cilia.

Pronunciation

/ˈplæn.jʊ.lə/ /ˈplæn.jə.lə/

Word forms

planula planulae

Etymology

Borrowed from Latin plānula, diminutive of plāna (“plane”).

Derived words

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