… Many spiders excrete nitrogenous metabolic products as guanine, but some intestinal cells accumulate guanine. Guanine is also accumulated by the guanophores in the skin and abdominal wall of fish, giving the skin a pearly luster. Pterin pigments are also a type of metabolic product that contains nitrogen and are deposited on the skin of insects, especially in the scales of butterflies. … *Some of the terminology that mentions "guanine cells" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… クモ類の多くは窒素の代謝産物をグアニンとして排出するが,一部の腸管細胞はグアニンを蓄積する。グアニンは魚類の体表や腹腔壁のグアニン細胞guanophoreによっても蓄積され体表に真珠光沢をもたらす。プテリン類の色素も窒素を含む一種の代謝産物で,昆虫の体表とくにチョウの鱗片に沈着する。… ※「グアニン細胞」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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