pilidium

Japanese: pilidium
pilidium

…Egg development can be direct or indirect. Indirect development leads to a pilidium larva or Desor's larva, within which a nymph develops, emerges from the larva's shell and moves to a life on the sea floor. They generally have a strong regenerative ability, and although their body is easily torn apart by stimulation, they regenerate to their original form. …

*Some of the terminology that mentions "pilidium" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…卵発生には,直接発生と間接発生とがある。間接発生はピリディウムpilidium幼生またはデゾルDesor’s幼生になり,その幼生の中に若虫ができ,幼生の殻の中から抜けだして海底生活に移る。一般に再生力が強く,刺激によって体を容易に切るが,また元の体に再生する。…

※「pilidium」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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