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Operculums :: Operculums (pl. ) of Operculu.

Scutum :: Scutum (n.) One of the two lower valves of the operculum of a barnacle.

Opercular :: Opercular (n.) The principal opercular bone or operculum of fishes.

Operculum :: Operculum (n.) The principal opercular bone in the upper and posterior part of the gill cover.

Preopercular :: Preopercular (a.) Situated in front of the operculum; pertaining to the preoperculum.

Nucleus :: Nucleus (n.) The central part around which additional growths are added, as of an operculum..

Oparcular :: Oparcular (a.) Of, pertaining to, or like, an operculum..

Tergum :: Tergum (n.) One of the dorsal plates of the operculum of a cirriped.

Paucispiral :: Paucispiral (a.) Having few spirals, or whorls; as, a paucispiral operculum or shell..

Operculum :: Operculum (n.) Any lidlike or operculiform process or part; as, the opercula of a dental follicle..

Serpula :: Serpula (n.) Any one of numerous species of tubicolous annelids of the genus Serpula and allied genera of the family Serpulidae. They secrete a calcareous tube, which is usually irregularly contorted, but is sometimes spirally coiled. The worm has a wreath of plumelike and often bright-colored gills around its head, and usually an operculum to close the aperture of its tube when it retracts..

Eyestone :: Eyestone (n.) A small, lenticular, calcareous body, esp. an operculum of a small marine shell of the family Turbinidae, used to remove a foreign substance from the eye. It is put into the inner corner of the eye under the lid, and allowed to work its way out at the outer corner, bringing with it the substance..

Subopercular :: Subopercular (a.) Situated below the operculum; pertaining to the suboperculum.

Suborbicular :: Suboperculum (n.) The lower opercular bone in fishes.

Unoperculated :: Unoperculated (a.) Destitute of an operculum, or cover..

Turritella :: Turritella (n.) Any spiral marine gastropod belonging to Turritella and allied genera. These mollusks have an elongated, turreted shell, composed of many whorls. They have a rounded aperture, and a horny multispiral operculum..

Interpercular :: Interpercular (a.) Of or pertaining to the interoperculum.

Operculum :: Operculum (n.) Any lid-shaped structure closing the aperture of a tube or shell.

Operculum :: Operculum (n.) The fold of integument, usually supported by bony plates, which protects the gills of most fishes and some amphibians; the gill cover; the gill lid..

Praeoperculum :: Praeoperculum (n.) Same as Preoperculum.

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