Vorticella (Bellworm) - Vorticella

Japanese: ツリガネムシ(釣鐘虫) - ツリガネムシ
Vorticella (Bellworm) - Vorticella
A general term for protozoa of the family Vorticelladae in the class Dictyota of the subphylum Ciliata. Most species live on trees, stones, and duckweed roots in ponds and ditches, but some are marine. Vorticella nebulifera lives in ponds and other places, and when many individuals attach to other objects they form a grayish-white mass. The body is inverted bell-shaped and 100 to 200 μm long, and a stalk 4 to 5 times longer than the body length grows from the bottom and attaches to other objects. Cilia are arranged in a ring at the front end of the body, which serve to catch food.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
繊毛虫亜門全毛綱ツリガネムシ科の原生動物の総称,またはそのうちの1種を指す。大部分の種類は池沼や小溝などの木,石,ウキクサの根などに着生しているが,海産のものもある。ツリガネムシVorticella nebuliferaは池沼などにすみ,他物に多数個体が付着したときには灰白色の塊になる。体は長さ100~200μmの逆釣鐘形で,その下端から体長の4~5倍の長さの柄を生じて他物に付着する。体の前端には繊毛が環状に並んでいて餌をとる働きをする。

出典 株式会社平凡社世界大百科事典 第2版について 情報

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