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長崎県野母半島で見出された宮崎肺吸虫について


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タイトル: 長崎県野母半島で見出された宮崎肺吸虫について
その他のタイトル: Distribution of Paragonimus miyazakii in Nomo Peninsula, Nagasaki Prefecture
著者: 今井, 淳一 / 坂口, 祐二 / 片峰, 大助
著者(別表記) : Imai, Jun-Ichi / Sakaguchi, Yuji / Katamine, Daisuke
発行日: 1976年 3月30日
出版者: 長崎大学熱帯医学研究所 / Institute of Tropical Medicine, Nagasaki University
引用: 熱帯医学 Tropical medicine 18(1). p49-58, 1976
抄録: From 11 foci in Nomo Peninsula, Nagasaki Prefecture, 142 snails, Bythinella (Moria) nipponica and 1,661 fresh water crabs, Potamon dehaani were collected and examined for the Paragonimus infection. In this survey the snails, the first intermediate host of P. miyazakii were first found in Nomo Peninsula. Also one individual out of these snails was proved to be naturally infected with Paragonimus redia and cercaria. The incidences of metacercarial infection of Paragonimus in the crabs were 2.9 to 73.7% (mean: 47.7%). The number of the larvae per crab varied from 1 to 47 with an average of 4.6. The morphological characteristics of metacercariae and adult worms or eggs which were obtained from the crabs and experimentally infected animals, respectively were as follows: 1) The mature cysts of metacercariae were usually spherical, with an outer wall and a thick inner wall consisting of two layers. The cysts were larger than that of P. westermani in size generally and it had no pinky granules in the body and no stylet in the oral sucker. 2) Cuticular spines growing on the body surface of adult worms were scattered singly in any individuals. The ovary had characteristic complicated branching, consisting of several main lobes, each lobe being subdivided into smaller lobulations. 3) Most eggs were typically oval in shape with maximum width in the middle part, measuring 64.0-89.3×40.0-52.5μ. The very thin shell had an uniform thickness and there was frequently a very small knob at the opposite pole to the operculum. From the findings above mentioned, present lung flukes were identified as P. miazakii Kamo et al., 1961.
URI: http://hdl.handle.net/10069/4198
ISSN: 03855643
資料タイプ: Departmental Bulletin Paper
出現コレクション:第18巻 第1号

引用URI : http://hdl.handle.net/10069/4198

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