Category:Vorticella

Vor`ti*cel"la, n.; pl. E. Vorticellas (, l. Vorticellæ (. Etym: [nl., Dim. fr. L. vortex. See vortex.] (zoöl.)

Defn: any one of numerous species of ciliated infusoria belonging to Vorticella and many other genera of the family vorticellidæ. 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.