planula (0 synonym found)

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Definition of planula:

(n) : (zoology) The larva of a hydrozoan, which is free-swimming and covered in cilia.
(n) : (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.

Definition of planula:

(n) : (zoology) The larva of a hydrozoan, which is free-swimming and covered in cilia.
(n) : (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.

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