...As a result, the fish does not get swept away. This type of taxis is called menotaxis (presumptive or counterstimulant taxis). The positive phototaxis of many insects that are attracted to light at night also belongs to this type. In order to fly in a way that keeps the image of the light source at a fixed point on the retina of one of their eyes, the insect approaches the light source in an arc while keeping its body axis at a fixed angle to the light source, and then circles around the light source (this is called photocompass motion). ... *Some of the terminology that mentions "menotaxis" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…その結果,魚は流されてしまわずにいられる。このようなしくみによる走性をメノタクシスmenotaxis(保留走性または対刺激性)という。夜,光に集まる多くの昆虫の正の光走性もこれに属し,光源の像をどちらかの目の網膜の一定点に保つように飛ぶために,昆虫は光源に対して一定の角度に体軸を保ちながら,弧を描いて光源に近づき,光源の周りをぐるぐると旋回する(これを光コンパス運動という)。… ※「menotaxis」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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