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Definition of Operculum
1. Noun. A hard flap serving as a cover for (a) the gill slits in fishes or (b) the opening of the shell in certain gastropods when the body is retracted.
Generic synonyms: Plate
Definition of Operculum
1. n. The lid of a pitcherform leaf.
Definition of Operculum
1. Noun. A covering flap or lidlike structure in plants and animals, such as a gill cover ¹
¹ Source: wiktionary.com
Definition of Operculum
1. an opercule [n -LA or -LUMS] - See also: opercule
Medical Definition of Operculum
1. A lid or cover becoming detached at maturity by abscission, in Eucalyptus (for example), a cap covering the bud and formed by fusion or cohesion of perianth parts. (09 Oct 1997)
Lexicographical Neighbors of Operculum
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