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contractile vacuole

Syllabification: con·trac·tile vac·u·ole

Definition of contractile vacuole in English:

noun

Zoology
A vacuole in some protozoans that expels excess liquid on contraction.
Example sentences
  • The cytoplasm contains, in addition to digestive vacuoles, contractile vacuoles which probably function in the control of osmotic pressures.
  • The amount of contractile vacuoles can tailor in accordance with suctorian species, age and size.
  • The purpose of the contractile vacuole is to expel excess water from the cell, preventing the cell from swelling up.

Definition of contractile vacuole in:

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