Dictionary
vor•ti•cel•la
Pronunciation: (vôr"tu-sel'u), [key]—
n.,
—pl. -cel•laePronunciation: (-sel'ē), [key] -cel•las.
any ciliated protozoan of the genus
Vorticella, having a transparent, bell-shaped body with a retractile stalk.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.