Definition of Arcella
1. Noun. An amoeba-like protozoan with a chitinous shell resembling an umbrella.
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Lexicographical Neighbors of Arcella
Literary usage of Arcella
Below you will find example usage of this term as found in modern and/or classical literature:
1. Respiration by John Scott Haldane (1922)
"Another very interesting case of gas secretion occurs in arcella discoides, ... When a living and healthy arcella is examined in a drop of water under the ..."
2. Report: New York by Otis Stuart (1904)
"VARIATION AND CORRELATION IN arcella. RAYMOND PEARL AND FRANCIS J. DUNBAR. (Abstract, y The results of a statistical study of the variation of the shell of ..."
3. Aquatic Microscopy for Beginners: Or, Common Objects from the Ponds and Ditches by Alfred Cheatham Stokes (1918)
"In one of these pale, apparently young arcella, I have seen ten FIG. 1OO. ... arcella dentata. Under favorable conditions ..."
4. Microscopy for Beginners: Or, Common Objects from the Ponds and Ditches by Alfred Cheatham Stokes (1887)
"There are several species, recognizable by the form of the shell. 1. Margin of the shell smoothly circular. Common everywhere. arcella ..."
5. An Introduction to General Biology by William Thompson Sedgwick, Edmund Beecher Wilson (1899)
"One of the commonest fresh-water forms is the genus arcella (Fig. 86, O), which even in the active phase is surrounded by a brown horny membrane ("shell") ..."