…Ommatidia are the individual small eyes in the compound eyes of arthropods, and ommochromes are contained in the photoreceptive units on the posterior surface of the cornea. Xanthommatin is a phenoxazone derivative, and other compounds such as ommatin D (xanthommatin sulfate) and rhodomatin are also known. Xanthommatin is found in the eyes, skin, and wings of jellyfish, insects, crustaceans, and cephalopods, and is said to be involved in regulating incoming light as a screening pigment in the eyes. … *Some of the terminology explanations that mention "Omachin D" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…個眼は節足動物の複眼にある個々の小眼で,オモクロムはその角膜の後面にある光受容の単位に含まれている。キサントマチンはフェノキサゾン誘導体で,このほかにオマチンD(キサントマチンの硫酸塩)やロドマチンという化合物も知られる。クラゲ,昆虫類,甲殻類,頭足類などの眼,皮膚,翅などに存在するが,とくに眼では遮へい色素として入射光の調節に関与するといわれている。… ※「オマチン D」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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