…In compound eyes, each ommatidia contains several photoreceptors, and each photoreceptor protrudes microvilli around the axis of the ommatidia, forming a long, rod-like collection of microvilli along the axis in the center of the ommatidia. These photoreceptors are called rod-type photoreceptors and are sometimes distinguished from ciliated photoreceptors in vertebrates. When light hits a photoreceptor, it is the photopigment that absorbs the light energy and causes a photochemical change. … *Some of the terminology explanations that mention "sensor" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…複眼では個眼に数個の視細胞があり,各視細胞は個眼の軸の周りに微絨毛を突き出すので,個眼の中心には軸に沿って細長い杆状の微絨毛の集合物ができる。これを感杆と呼び,このような視細胞を感杆型の視細胞と呼び,脊椎動物の繊毛型の視細胞と区別することがある。 視細胞に光が当たったときに,光のエネルギーを吸収して光化学変化を起こすのが感光色素である。… ※「感杆」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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