ectocyst

英 ['ektəsɪst] 美 ['ektəsɪst]

• 外囊(棘球蚴)

ectocyst的用法和样例：

例句

1. 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，外囊和内囊间的骨状突起相连处，而且可以见到厚具皱折的囊体。