Definition of Actinula. Meaning of Actinula. Synonyms of Actinula

Here you will find one or more explanations in English for the word Actinula. Also in the bottom left of the page several parts of wikipedia pages related to the word Actinula and, of course, Actinula synonyms and on the right images related to the word Actinula.

Definition of Actinula

Actinula
Actinula Ac*tin"u*la, n. pl. [NL., fr. Gr. ?, ?, a ray.] (Zo["o]l.) A kind of embryo of certain hydroids (Tubularia), having a stellate form.

Meaning of Actinula from wikipedia

- the sea in most cases. Zygotes become free-swimming planula larvae or actinula larvae that either settle on a suitable substrate (in the case of planulae)...
- larva Dicyemida infusoriform larva Cnidarians planula (= stereogastrula), actinula Ctenophora cydippid larvae Platyhelminthes Turbellaria: Müller's larva...
- fertilization occurs in the female medusoids. The fertilized eggs develop into actinula. These larvae develop directly into a new polyp. Although the medusa are...