...Asexual reproduction involves binary fission or budding, while sexual reproduction mainly involves conjugation. Ciliate protozoa are broadly divided into Holotricha, which produce cilia of a uniform length on the entire surface, and Spirotricha, which produce small membranes with many cilia densely arranged in two or three rows, which then line up to form the pre-oral membrane. [Minoru Imajima]. ... *Some of the terminology explanations that mention "Spirotricha" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…無性生殖では二分裂あるいは出芽を行い,有性生殖ではおもに接合が行われる。 繊毛虫類は全表面に一定の長さの繊毛を生ずる全毛類Holotrichaと,多くの繊毛が2~3列に密生して小膜をつくり,これらが並んで口前膜をつくる螺旋(らせん)毛類Spirotrichaとに大別されている。【今島 実】。… ※「Spirotricha」について言及している用語解説の一部を掲載しています。 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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