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Surface Ultrastructure of the Advanced Third-stage Larvae of Gnathostoma nipponicum

机译:奈瑟氏菌高级第三阶段幼虫的表面超微结构

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摘要

The surface ultrastructure of advanced third-stage larvae (AL3) of Gnathostoma nipponicum was studied using scanning electron microscopy. The larvae were recovered from the grass snake Rhabdophis tigrina in the Republic of Korea. Parasites had a globular head bulb with a pair of lips at the anterior end and 2 labial papillae and an amphid on each lip. The head bulb was characteristically armed with 3 transverse rows of hooklets, averaging 36, 38, and 43 in number, increasing posteriorly. A total of 213–232 minute unidentate cuticular spines were present along the entire length of the larvae, forming the transverse striations. Two pairs of cervical papillae were located between the 8th and 12th transverse striations, and a pair of body papillae was seen laterally on the posterior third of the body. A pair of caudal phasmids was recognized near the posterior extremity. The surface ultrastructure of AL3 of G. nipponicum is unique compared with that of other species.
机译:利用扫描电子显微镜研究了短吻线虫的晚期第三阶段幼虫(AL3)的表面超微结构。幼虫是从大韩民国的草蛇虎(Rhabdophis tigrina)中回收的。寄生虫的球状头球在前端有一对唇,每个唇上有2个唇乳头和一个两栖动物。头球典型地配备有3个横行的钩状钩,平均数量为36、38和43,向后增加。在幼虫的整个长度上共有213-232分钟的不明皮刺,形成横向条纹。在第8和第12横纹之间有两对子宫颈乳头,在身体的后三分之一处侧面观察到一对身体乳头。在后肢附近发现一对尾突。与其他物种相比,G。nipponicum AL3的表面超微结构是独特的。

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  • 来源
    《Journal of Parasitology》 |2003年第6期|p.1245-1248|共4页
  • 作者单位

    aDepartment of Parasitology, Kangwon National University College of Medicine, Chunchon, Kangwon-do 200-701, Republic of Korea bDepartment of Medicine, Sungkyunkwan University School of Medicine, Seoul 135-710, Republic of Korea cDepartment of Parasitology and Tropical Medicine, Seoul National University College of Medicine, and Institute of Endemic Diseases, Seoul National University Medical Research Center, Seoul 110-799, Republic of Korea dTo whom correspondence should be addressed. cjy@plaza.snu.ac.kr;

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