| vorticel | <zoology> A vorticella. Origin: Cf. F. Vorticelle. See Vortex. Source: Websters Dictionary (01 Mar 1998) |
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| Vorticella | <protozoa> Genus of ciliate protozoa. It has a bell shaped body with a belt of cilia round the mouth of the bell, to sweep food particles towards the mouth and a long stalk, connecting it to the substratum, which contains the contractile spasmoneme. (18 Nov 1997) |