cnidarian

• Substantivo que designa um animal aquático de simetria radial, com corpo em forma de saco, uma única abertura e tentáculos armados com células urticantes; apresenta as formas de pólipo e medusa.

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.

   Animal aquático de simetria radial

   • 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.

   Sinônimoscoelenterate