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Ultrastructure Observation of Cysticercus Pisiformis and Its Function Analysis

Animal Husbandry and Feed Science 2012年第4期4卷 145-149,160页

作者： PAN Yao-qian ZHAO Zhen-sheng CHEN Jin-shan YIN Mei TANG Hai-rong LI Rui-zheng LI Hui-zheng LIU Zhi-ke ZHANG Li-jie LIU Xing-you College of Animal Science Henan Institute of Science and Technology College of Animal Science and Technology Henan University of Science and Technology

[ Objective] The aim of the study was to observe the ultrastructure of Cysticercus pisiformis under different state. [ Method] The Cysti- cercus pisiformis were obtained in the procedure of slaughter inspection form meat-packing plant. The Cysticercus pisiformis was taken out by cut- ting cyst directly, or cultured with physiologic saline containing 10% bile until evagination. Then it was observed and recorded by scanning electron microscopy. [ Result] Observed from top of scolex of Cysticercus pisiformis locate in cyst, the rostellum looked like an umbrella. The cutaneous muscular columns with hamula covered the front end of scolex. Viewed from the side, a row of antlers-liking hamula adhered to the scolex. Four suckers were looked like more width and body segments less time, in which there were lots of wrinkles in their surface respectively. The Cysticercus pisiformis cultured was divided obviously into scolex, neck, body segment and zone of cyst. When cutaneous muscular column of rostellum con- tracted, the antler-liking hamula extended to periphery that the ring-liking contraction appeared in neck and the lengthways contraction in body seg- ments. [ Conclusion] The Cysticercus pisiformis under different state has distinctly dissimilar ultrastructure.

关键词： Cysticercus pisiformis Ultrastructure rostellum Sucker Scanning electron microscope

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Ultrastructural Changes of Scolex on Cysticercus pisiformis during Relative Rest and Motion States

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Agricultural Science & Technology 2014年第1期15卷 111-115页

作者：潘耀谦张柳平王帅李瑞珍刘志科孙玉倩 Javaid Ali Gadahi 刘兴友河南科技学院动物科学学院河南新乡453003 江苏大学医学院江苏镇江212013 南京农业大学动物医学学院江苏南京210095 信德农业大学/兽医寄生虫学系

[Objective] This study aimed to research the ultra-morphological changes of scolex of Cysticercus pisiformis during the relative rest and motion states. [Method] The ultrastructure changes of scolex located in cyst and evaginated from cyst after cultivation were comparatively observed by scanning electron microscope. [Result] When the scolex was in the relative rest state, observed from the top, the rostel um with the tegument muscular column that connected to tooth-hook looked like the umbrel a and covered on the front end of the scolex. Viewed from the side of the scolex, the tooth-hook on the rostel um looked like the antler branch and had only one row. Four suckers looked like cavities, and were located in the back of the rostel um and distributed around the scolex in the equidistance. When the scolex was in the motion states, the tegument muscular column on the rostel um contracted, the antler-like tooth-hook extended to periphery, and the sucker also made the ring-like and longitudinal-like contraction. [Conclusion] Ultrastructure of the scolex of C. pisiformis changed apparently during relative rest and motion states. Those changes help scolex to invade the host tissue.

关键词： Cysticercus pisiformis Scolex rostellum Sucker Ultrastructure

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