mother sporocyst

例句：

1. 1. The mother sporocyst is the first stage of a parasite's life cycle.
   母孢子囊是寄生虫生命周期的第一个阶段。
2. 2. He was diagnosed with leishmaniasis, which is caused by the mother sporocyst.
   他被诊断出患有利什曼病，这是一种由母孢子囊引起的疾病。
3. 3.Researchers are studying the mother sporocyst as a potential vaccine candidate.
   研究人员正在研究母孢子囊作为潜在的疫苗候选者。