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灵长类疟原虫只能在按蚊属蚊虫体内完成孢子增殖,但不是每种疟原虫都能在各种按蚊体内发育。大多数灵长类疟原虫能在菲氏按蚊(A. freeborni)体内完成孢子增殖,而诺氏疟原虫却是例外,这种疟原虫可以在菲氏按蚊的胃壁发育成大量的卵囊,但子孢子不能侵入唾腺。为了观察这种疟原虫在菲氏按蚊体内的命运,作者进行了以下试验。用含大约10~5个诺氏疟原虫H株裂殖体的感染血,静脉接种给健康的罗猴。当原虫血症达到5％～10％红细胞感染时,用羽化
Plasmodium primates can only sporulate in anopheles mosquitoes, but not every species of Plasmodium can develop in various Anopheles. Most primates can perform sporulation in A. freeborni, with the exception of P. nidulans, which can develop into large numbers of oocysts in the stomach wall of Anopheles stephensi , But sporozoites can not invade salivary glands. In order to observe the fate of this malaria parasite in Anopheles stephensi, the authors conducted the following experiment. Infected blood and veins were used to inoculate healthy rhesus monkeys with infected blood of about 10 to 5 P. nidulans H strains. When the protozoosis reached 5% to 10% of red blood cell infection, with the emergence