oocyst

详细解释:【医】 卵囊, 卵袋

详细解释：

o.o.cyst

n.（名词）
A thick-walled structure in which sporozoan zygotes develop and that serves to transfer them to new hosts.
孢子：一种外壁很厚的组织，孢子在这里受精发育，再把他们转入新的个体中