…A complex network of ducts that run through the parenchyma or pseudocoelom on both sides of the body. The blind end of the duct consists of one or more cells, and several bundles of cilia extend from these cells into the duct, and they are called flame cells because they move like flames. Flame cells extend protoplasmic projections into the surrounding tissues and pseudocoelom, from which they collect waste products and water and send them into the duct. However, it is thought that flame cells are more important for regulating osmotic pressure than for excreting waste products. … *Some of the terminology that mentions "flame-cell" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…体の両側の柔組織または偽体腔内を複雑に網目状に分岐して走る一種の管系である。その管の盲端は1個または数個の細胞からなり,それらの細胞から数本の繊毛の束が管の中に向かって出ていて,炎のような動きをするので炎細胞flame‐cellと呼ばれる。炎細胞はその周りの組織や偽体腔へ原形質の突起を伸ばしており,そこから老廃物や水分を集めてそれらを管内へ送り出すが,実際には老廃物の排出よりも浸透圧の調節に意義があるものと考えられている。… ※「flame-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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