planula

名词 n.
中文释义
英 /ˈplæn.jʊ.lə/    美 /ˈplæn.jə.lə/

英文释义

名词 n.
  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.

词形变化

planulae plural

词汇关系

衍生词
coeloplanula planular planulate planuliform planuloid

词源

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