Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of hydranth is as below...

Hydranth :: Hydranth (n.) One of the nutritive zooids of a hydroid colony. Also applied to the proboscis or manubrium of a hydroid medusa. See Illust. of Hydroidea.

Polypite :: Polypite (n.) One of the feeding zooids, or polyps, of a coral, hydroid, or siphonophore; a hydranth. See Illust. of Campanularian..

Thecophora :: Thecophora (n. pl.) A division of hydroids comprising those which have the hydranths in thecae and the gonophores in capsules. The campanularians and sertularians are examples. Called also Thecata. See Illust. under Hydroidea.

Theca :: Theca (n.) The chitinous cup which protects the hydranths of certain hydroids.

Tubularia :: Tubularia (n.) A genus of hydroids having large, naked, flowerlike hydranths at the summits of long, slender, usually simple, stems. The gonophores are small, and form clusters at the bases of the outer tentacles..

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