Zool. [mod.L., dim. f. L. vortic-, vortex VORTEX.] The typical genus of Vorticellidæ (cf. next); an individual belonging to this genus; a bell-animalcule. Also attrib.

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1787.  G. Adams (title), Essays on the Microscope, containing an account of the various species and singular properties of the Hydræ and Vorticellæ.

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1805.  Priscilla Wakefield, Dom. Recreat., vi. 86. In its sediment we shall find a most curious animalcule, called the wheel animal, or vorticella.

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1875.  Huxley & Martin, Elem. Biol. (1877), 90. Sometimes a rounded body, encircled by a ring of cilia but having otherwise the characters of a Vorticella bell, is seen to be attached to the base of the bell of an ordinary Vorticella.

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