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noun Vorticella n. (pl. E. vorticellas, L. vorticellae) (Zool.) Any one of numerous species of ciliated Infusoria belonging to Vorticella and many other genera of the family Vorticellidae. They have a more or less bell-shaped body with a circle of vibrating cilia around the oral disk. Most of the species have slender, contractile stems, either simple or branched.
Collaborative International Dictionary of English 0.48
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