cnidarian

• Radialsymmetrisches, im Wasser lebendes Tier mit sackförmigem Körper, einer einzigen Öffnung und Tentakeln mit Nesselzellen; tritt in den Formen Polyp und Meduse auf.

A noun referring to a radially symmetrical aquatic animal with a saclike body, a single opening, and tentacles armed with stinging cells; it exists in both polyp and medusa forms.

1. Radially symmetrical aquatic animalC2formalscientific

   An aquatic invertebrate animal with a saclike body, a single opening, and tentacles armed with stinging cells; it exists in both polyp and medusa forms.

   Radialsymmetrisches Wassertier

   • Jellyfish and corals are well-known examples of cnidarians.
   • The cnidarian's tentacles contain specialized cells called cnidocytes.
   • Many cnidarians exhibit a complex life cycle alternating between polyp and medusa stages.

   Synonymecoelenterate