Associations to the word «Planula»

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

Occasionally in life there are those moments of unutterable fulfillment which cannot be completely explained by those symbols called words. Their meanings can only be articulated by the inaudible language of the heart.
Martin Luther King Jr.