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Definition of Term

operculum
(English) Bony gill cover; comprised of four bones: opercle, preopercle, interopercle and subopercle. (See also: gill, preopercle, opercle)
opercule
(French) Opercule osseux ; se compose de quatre os : opercule, préopercule, interopercule et subopercule. (See also: gill, preopercle, opercle)
operculum
(Portuguese) Cobertura óssea das brânquias, compreendendo quatro ossos: opérculo, preopérculo, interopérculo e subopérculo. (See also: gill, preopercle, opercle)

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