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首页> 外文期刊>Journal of Parasitology >STRUCTURE OF SARCOCYSTIS NEURONA SARCOCYSTS
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STRUCTURE OF SARCOCYSTIS NEURONA SARCOCYSTS

机译：神经孢子菌的结构

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The ultrastructure of Sarcocystis neurona sarcocysts was studied from muscle of an experimentally infected cat. The cat was killed 144 days after being fed sporocysts from a naturally infected opossum. Sarcocysts were microscopic, up to 700 μm long, and up to 50 μm wide. By light microscopy, the sarcocyst wall was 1–2 μm thick. Ultrastructurally, the sarcocyst wall consisted of numerous villar protrusions. The villar protrusions were up to 2.8 μm long and 0.4 μm wide, with a tapered end. Microtubules extended from the tip of the villus to the base and occasionally extended deep into the granular layer. The granular layer was 0.5 μm thick. Longitudinally cut bradyzoites were 5.2 by 1.2 (4.8–6.5 by 1.0–1.3) μm in size. Micronemes in bradyzoites were numerous and located in the anterior ⅓ of the conoidal end.
机译：从实验感染的猫的肌肉研究了神经节肉囊肿的超微结构。这只猫从自然感染的负鼠喂入孢子囊后144天被杀死。肉囊肿是微观的，最长可达700μm，最宽可达50μm。通过光学显微镜检查，肌囊壁厚为1-2μm。在超微结构上，囊肿壁由许多小突起组成。维拉突起的最大长度为2.8μm，宽为0.4μm，带有锥形末端。微管从绒毛的尖端延伸到基部，偶尔延伸到颗粒层的深处。颗粒层为0.5μm厚。纵向切割的缓殖子的尺寸为5.2 x 1.2（4.8-6.5 x 1.0-1.3）μm。缓殖子中的小nemene众多，位于圆锥状末端的前⅓。

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  • 来源
    《Journal of Parasitology》 |2001年第6期|p.00001323-00001327|共5页
  • 作者

    J. P. Dubey D. S. Lindsay* D. Fritz† and C. A. Speer‡;

  • 作者单位

    Parasite Biology, Epidemiology and Systematics Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, United States Department of Agriculture, Building 1001, Beltsville, Maryland 20705-2350;

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