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planula
[ plan-yuh-luh ]
noun
, Zoology.
, plural plan·u·lae [plan, -y, uh, -lee].
- the ciliate, free-swimming larva of a coelenterate.
planula
/ ˈplænjʊlə /
noun
- the ciliated free-swimming larva of hydrozoan coelenterates such as the hydra
planula
/ plăn′yə-lə /
, Plural planulae plăn′yə-lē′
- The flat, free-swimming, ciliated larva of a cnidarian.
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Derived Forms
- ˈplanular, adjective
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Other Words From
- planu·lar plan·u·late [plan, -y, uh, -leyt], adjective
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Word History and Origins
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Word History and Origins
Origin of planula1
C19: from New Latin: a little plane, from Latin plānum level ground
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Example Sentences
Planula, plan′ū-la, n. the locomotory embryo of the cœlenterates.
From Project Gutenberg
The upper surface of the planula then becomes depressed and forms a gullet, and in time a complete animal is formed.
From Project Gutenberg
The name Planula signifies "wandering animal," because the Planula larva swims about by means of cilia.
From Project Gutenberg
The Turbellarians have some features in common with the Cœlenterate planula.
From Project Gutenberg
The larva has now become a planula, and consists of a closed sack with double walls.
From Project Gutenberg
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