有些原生动物受精后的合子会分泌一些物质把自己包住，虫体就在其中分裂繁殖，这层保护结构称为卵囊。
misc. egg capsule ; calyx of ovum
摘要07 关键词： 隐孢子虫；卵囊；脱囊；寄生部位[gap=1670]Key words: Cryptosporidium;oocyst;excystation;parasitized site
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卵囊孢子化后出现厚壁型与薄壁型卵囊。
Thin wall and thick wall type oocysts first appeared after oocysts sporulated.
仅仅是对雌性卵囊接触也会使得他们反应过度，和范围内潜在的雄性扭打一团。
One touch of a female's egg sac and they go ballistic, grappling any other male within reach.
接种不同卵囊数和卵囊的保存时间这两个参数均对小鼠受感染后的排卵囊情况影响不大。
There was no significant difference infection rate between groups inoculated with different number CSO and groups inoculated CSO with conserved different time.
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