孢子虫纲的动物细胞结构很简单，细胞一般呈圆形或长圆形，细胞质也可分为外质与内 此外还有 卵形疟原虫 （P ovale），我国偶有发现。作为终寄主的按蚊在我国主要有 More.
双语例句
1
There are four types of human malaria: Plasmodium vivax, P. malariae, P. ovale and P. falciparum.
疟疾有四种类型：间日疟原虫、三日疟原虫、卵形疟原虫和恶性疟原虫。
2
For both P. vivax and P. ovale, clinical relapses may occur weeks to months after the first infection, even if the patient has left the malarious area.