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Asterionella : ウィキペディア英語版 | Asterionella
''Asterionella'' is a genus of pennate freshwater diatoms. They are frequently found in star shaped colonies of individuals. == Description == ''Asterionella'' average cell size is 60-80 micrometer long and 2-4 micrometer wide. It forms colonies that often consist of eight cells, but can vary up to 20 cells. The cells in the colony are attached by the apex by extracellular matter. By the way the cells are attached to each other, the colonies often look like stars or spiralling chains.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Asterionella」の詳細全文を読む
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