…Testate amoebae build a chitinous or siliceous shell and move around or feed by extending pseudopods from holes at the base. The testate amoeba Arcella vulgaris (illustration) has an upside-down cup-like shell (0.1 to 0.15 mm in diameter) and moves around by extending several pseudopods from holes in the center of the underside. The surface of the shell has many shallow egg-shaped depressions. … Arcella vulgaris is a plant that grows in the ocean and is thought to be the source of many diseases. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…有殻アメーバはキチン質やケイ質の殻をつくり,基部に開いている穴から仮足をだして運動したり餌をとる。有殻アメーバ類のナベカムリArcella vulgaris(イラスト)は,おわんをふせたような殻(直径0.1~0.15mm)をもち,下面中央に開く穴から数本の仮足をだして移動する。殻の表面には多くの卵形の浅いくぼみがある。… ※「Arcella vulgaris」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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