Dipylidium caninum

Japanese: ウリザネジョウチュウ(英語表記)Dipylidium caninum
Dipylidium caninum
Class: Cestoda, Order: Cynodontida, Family: Polyorchidae. Body length: 15-35 mm, width: 1.5-3 mm. The body is thread-like, and the mature proglottids at the rear of the body are ray-like and easily separated. Each proglottid has two pairs of reproductive organs, and the genital pores open on both sides. There is a proglottid beak at the head end, which is surrounded by 48-60 hooks like rose thorns. Slightly below this are four oblong suckers. It parasitizes the digestive tract of dogs and cats, but rarely the intestines of humans. The intermediate hosts are dog lice and dog and cat fleas.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:
扁形動物門条虫綱円葉目多睾条虫科。体長 15~35mm,体幅 1.5~3mm。体は糸状で,体後方の成熟した片節はじゅず状で離れやすくなっている。各片節には2対の生殖器官があり,生殖孔は両側縁に開口する。頭端には1個の額嘴があり,その周囲にバラのとげのような鉤が 48~60個並ぶ。そのやや下方には4個の長楕円形の吸盤がある。イヌやネコの消化管に寄生するが,まれにヒトの腸にも寄生する。中間宿主はイヌのシラミ,イヌおよびネコのノミである。

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