Hydroid - Law Dictionary Search Results

Hydroid

Matched in: Term Hydroid

A hydroid of the family Campanularidaelig characterized by having the polyps or zooids inclosed in bell shaped calicles or hydrothecaelig

The hydroid or naked eyed medusaelig See Hydroidea

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Any hydroid belonging to Plumularia and other genera of the family Plumularidaelig They generally grow in plumelike forms

A sertularian hydroid especially Sertularia abietina which branches like a miniature fir tree

A hydroid coral of the genus Millepora especially Millepora alcicornis of the West Indies and Florida So called because it

In certain hydroids an imperfect zooid whose special function is to produce medusoid buds See Hydroidea and Athecata

Any free swimming gonophore of a hydroid a hydroid medusa

One of the nutritive zooids of a hydroid colony Also applied to the proboscis or manubrium of a hydroid medusa See Illust of Hydroidea

Any species or marine hydroids of the genus Hydractinia and allied genera These hydroids form by their rootstalks a firm chitinous coating on

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