Parasites, Hosts and Diseases

The Korea Society for Parasitology and Tropical Medicine (대한기생충학·열대의학회)
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Extraintestinal Migration of Centrorhynchus sp. (Acanthocephala: Centrorhynchidae) in Experimentally Infected Rats

  • Choi, Chang-Jin (Department of Family Medicine, The Catholic University of Korea, Seoul St. Mary's Hospital) ;
  • Lee, Hye-Jung (Department of Parasitology, College of Medicine, Dankook University) ;
  • Go, Jai-Hyang (Department of Pathology, Dankook University College of Medicine) ;
  • Park, Yun-Kyu (Department of Parasitology and Institute for Medical Science, College of Medicine, Inha University) ;
  • Chai, Jong-Yil (Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine, and Institute of Endemic Diseases, Seoul National University Medical Research Center) ;
  • Seo, Min (Department of Parasitology, College of Medicine, Dankook University)
  • Received : 2010.01.27
  • Accepted : 2010.03.17
  • Published : 2010.06.30
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Abstract

Reptiles were known to serve as paratenic hosts for Centrorhynchus (Acanthocephala: Centrorhynchidae) in Korea, but the infection course in experimental animals was not elucidated yet. In this study, the tiger keelback snakes (Rhabdophis tigrinus) were collected and digested with artificial pepsin solution, and the larvae of Centrorhynchus were recovered from them. Then, the collected larvae were orally infected to rats for developmental observations. In rats, all the larvae were observed outside the intestine on day 3 post-infection (PI), including the mesentery and abdominal muscles. As for the development in rats, the ovary of Centrorhynchus sp. was observed at day 15 PI, and the cement glands were 3 in number. Based on the morphological characteristics, including the arrangement of proboscis hooks, these larvae proved to be a species of Centrorhynchus, and more studies were needed for species identification.

Keywords

References

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