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Suboperculum :: Subopercular (n.) The suboperculum.

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..

Opercle :: Opercle (n.) 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..

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

Onycha :: Onycha (n.) An ingredient of the Mosaic incense, probably the operculum of some kind of strombus..

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

Valvata :: Valvata (n.) A genus of small spiral fresh-water gastropods having an operculum.

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

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

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

Operculums :: Operculums (pl. ) of Operculu.

Operculiferous :: Operculiferous (a.) Bearing an operculum.

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..

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

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

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

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

Preopercular :: Preopercular (n.) The preoperculum.

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..

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