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hydroid

NOUN
  1. colonial coelenterates having the polyp phase dominant

How To Use hydroid In A Sentence

  • Well-studied examples occur in the hydractiniid hydroids, which encrust hard substrata with stolons that serve as tube-like connections between feeding polyps.
  • It is usually present on Campanularian hydroids, but may be found on algæ and Bryozoa. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901
  • The most numerous inhabitants are hydroids and copepods.
  • Aside from its temporary and permanently resident fish, the underside is decorated with sponges, hydroids, tunicates, tube worms, cup corals and anemones.
  • There were dense walls of soft corals, sponges, anemones and hydroids, nudibranchs, creepy-crawlies and lots of fish.
  • The leatherjackets and wrasses continued their work below them, as tiny tubularia hydroids waved their tentacles from the hull.
  • He had shown that hydroid jellyfish known as naked-eyed medusae reproduce not only by spewing eggs, but also by asexual budding, which he found marvelous to behold.
  • The hydroid tissues, in particular, are the general run of moss water storage cells and are probably only remotely related to the xylem of tracheophytes.
  • On the walls are a riot of soft corals, sponges, hydroids and anemones in all shapes and sizes.
  • In colonial hydroids, the individual polyps, or zooids, are differentiated for different functions: gastrozooids feed, dactylozoids capture prey, and gonozooids give rise to medusoids with gametes.
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