DICT.TW Dictionary Taiwan
Vor·ti·cel·la 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.
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vorticella
n : any of various protozoa having a transparent goblet-shaped
body with a retractile stalk
[also: vorticellae (pl)]