You searched for: “actinula
actinula (s) (noun), actinulae (pl)
An advanced larva in the life cycle of certain hydrozoans that possesses a mouth and tentacles: Actinulae attach and develop into a new hydroid colony (as in Tubularia or hydroids having large, naked, flowerlike hydranths at the summits of long, slender, usually simple, stems) or metamorphose into a medusa (tentacled, usually bell-shaped, free-swimming jellyfish).
This entry is located in the following unit: actino-, actin-, actini-, -actinal, actis- + (page 6)