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 |
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。
出典 ブリタニカ国際大百科事典 小項目事典ブリタニカ国際大百科事典 小項目事典について 情報 |
>>: The Tale of the Melon Princess
… [Hiroyuki Kashiwatani]. … *Some of the terminol...
... M . chinensis Maxim. has thin leaves and shor...
Located in the southwestern tip of Colorado, USA, ...
…(4) Shadow Stepping Style: Stepping on the shado...
A village in Nishitama County, west of Tokyo. Popu...
…If the distance is greater than that, it is call...
〘Noun〙 The four phrases that Nichiren recited to c...
...The coastal area (northern part) of the regenc...
A sweet cocktail based on brandy. Place 30ml of br...
…A Late Paleolithic culture with the Solutré site...
… [Mikio Ono]. … *Some of the terminology that me...
A river port at the mouth of the Midorikawa River,...
...Also, Tanaka Eizo, who had earlier shown a fre...
…It is also called a fluorescent bleaching agent ...
A general term for feldspars that belong to the so...