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Vorticella protozoan. Colored scanning electron micrograph (SEM) of a Vorticella sp. ciliate protozoan. This single-celled organism consists of a bell-shaped head, and a stalk that is anchored to the substrate. The stalk contains a contractile fibril called a myoneme. When stimulated this shortens, causing the stalk to coil like a spring (seen here). Magnification x1300 when printed at 10 centimeters wide.
July 15th, 2014
Viewed 3 Times - Last Visitor from Beverly Hills, CA on 10/24/2014 at 12:56 PM
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