Associations to the word «Planula»
Noun
Adverb
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Wiktionary
PLANULA, noun. (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.
PLANULA, noun. (zoology) The larva of a hydrozoan, which is free-swimming and covered in cilia.
Dictionary definition
PLANULA, noun. The flat ciliated free-swimming larva of hydrozoan coelenterates.
Wise words
Every once in a while, you let a word or phrase out and you
want to catch it and bring it back. You can't do that. It's
gone, gone forever.