…In general, the concentration of uric acid in the hemolymph of insects is higher in pupae than in larvae, and these nitrogenous metabolic products are discarded along with the exoskeleton during molting. Insects excrete uric acid through the Malpighian tubules, but fat body cells in the body also accumulate uric acid, so they are called urate cells. Many spiders excrete nitrogenous metabolic products as guanine, but some intestinal cells accumulate guanine. … *Some of the terminology that mentions "urate cell" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…一般に昆虫では血リンパ中の尿酸濃度は幼虫におけるよりさなぎにおけるほうが高く,脱皮の際それらの窒素代謝産物を脱皮殻とともに捨て去る。昆虫類はマルピーギ管で尿酸を排出するが,体内の脂肪体細胞も尿酸を蓄積するので尿酸細胞urate cellと呼ばれている。 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。… ※「urate cell」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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