The 'bell' is up to 150 m, with stalk up to 1 mm.
Vorticella are one of the peritrich protozoa.
Although solitary, they often occur in groups to form a tiny jelly-like mass just visible to the naked eye. Their stalks contract like a spring. If you follow a link to an article, use the 'Go Back' feature twice on your web browser to return to the jar. Microscopy UK Front Page Micscape Magazine Article Library Microscopy UK or their contributors. Published in Micscape Magazine February 2001.