operculum Bony gill cover; comprised of four bones: opercle, preopercle, interopercle and subopercle.
骨；包含四个硬骨；骨、前骨，间骨与下骨。
间骨operculum Bony gill cover; comprised of four bones: opercle, preopercle, interopercle and subopercle.
骨；包含四个硬骨；骨、前骨，间骨与下骨。
interopercle One of the bones comprising the operculum; bordered antero-dorsally by the preopercle and postero-dorsally by the opercle and subopercle.
中组成的硬骨之一；毗邻背部前方藉由前骨与后背面藉由与子。
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