Noun Actinula Definition and Examples


Noun:

Actinula

Pronunciation:

/akˈtɪnjʊlə/

Definition:
1.

noun

In some hydrozoans: a mobile tentaculate larva, which develops from a planula and transforms into an adult polyp or medusa after dispersal.
    ((n. pl.) A kind of embryo of certain hydroids (Tubularia), having a stellate form.)


    Origin:
    Late 19th century; earliest use found in George Allman (1812–1898), naturalist. From ancient Greek ἀκτῖν-, ἀκτίς ray + -ula, after planula.

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