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1956年 Pipkin 及 Jenson 评述过疟原虫在胚胎中发育的问题。Mc Ghoe(1949)发现,成年鸡对鸟疟虫(P.gallinaceum)的感染有很大的抵抗力,必须接种大数量的子孢子才获得感染。胚胎是敏感的,子孢子接种于发育中的鸡胚绒毛膜(外胚层),可生产感染。若
1956 Pipkin and Jenson reviewed the development of Plasmodium in embryos. McGhoe (1949) found that adult chickens are highly resistant to P. gallinaceum infection and must be inoculated with large numbers of sporozoites to get infected. Embryos are sensitive and sporozoites are inoculated into the developing chick embryo chorion (ectoderm) and can produce infection. If