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Operculums :: Operculums (pl. ) of Operculu.

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

Suboperculum :: Subopercular (n.) The suboperculum.

Operculum :: Operculum (n.) The lid closing the aperture of various species of shells, as the common whelk. See Illust. of Gastropoda..

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..

Interoperculum :: Interoperculum (n.) The postero-inferior opercular bone, in fishes..

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

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

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

Preopercular :: Preopercular (n.) The preoperculum.

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

Inoperculate :: Inoperculate (a.) Having no operculum; -- said of certain gastropod shells.

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..

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

Operculum :: Operculum (n.) The lid of a pitcherform leaf.

Operculigenous :: Operculigenous (a.) Producing an operculum; -- said of the foot, or part of the foot, of certain mollusks..

Operculum :: Operculum (n.) The lid of the urnlike capsule of mosses.

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

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

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..

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