planulate


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plan·u·la

 (plăn′yə-lə)
n. pl. plan·u·lae (-lē′)
The flat, free-swimming, ciliated larva of a cnidarian.

[New Latin plānula, from Latin, feminine diminutive of plānus, flat (from its shape); see pelə- in Indo-European roots.]

plan′u·lar, plan′u·late′ (-lāt′) adj.

planulate

(ˈplænjʊlət)
adj
(Zoology) zoology palaeontol flat