operculum

1.opercular Pertaining to the operculum; gill cover. Often used for the opercle.

的属于的；；时常使用。

2.Under scanning electron microscopy, a polyhedral and scale-like endocyst was covered with thick ectocyst and an ostiole was veiled with operculum at the junction of ectocyst and endocyst.

在扫描式电子显微镜下可以看到，外和内间的骨状突起相连处，而且可以见到厚具皱折的。

3.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。

4.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。