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Arcella
[ ahr-sel-uh ]
noun
- a genus of freshwater, ameboid protozoa that secrete a hard, umbrellalike shell having a single opening through which the pseudopodia extend.
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Word History and Origins
Origin of Arcella1
1838; < New Latin, equivalent to Latin arc ( a ) a chest, box + -ella diminutive suffix
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Example Sentences
Dujardin points out very clearly the identity of structure between organisms like Amœbæ and such forms as Difflugia and Arcella.
From Project Gutenberg
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