…When oviparous animals lay fertilized or unfertilized eggs, this is also called spawning in aquatic animals. They are generally expelled through the oviduct, but polychaetes and jellyfish use the nephridia or mouth. … *Some of the terminology that mentions "spawning" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…卵性の動物が受精卵,未受精卵を産むことで,水生の動物では放卵spawningとも呼ばれる。一般に輸卵管から排出されるが,多毛類やクラゲ類は腎管や口を利用している。… ※「spawning」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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