noun
- a bell-shaped single-celled organism that lives in water and has a stalk that can contract rapidly
Usage: biology
Examples
- The vorticella attached itself to the aquatic plant with its long stalk.
- Under the microscope, we observed the vorticella’s characteristic bell shape.
- When disturbed, the vorticella quickly contracted its stalk to pull closer to the surface.
- Vorticella are commonly found in pond water samples.
- The biology students studied how vorticella feed by creating water currents with their cilia.
- A colony of vorticella formed on the submerged leaf.