A vacuole in some protozoans which expels excess liquid on contraction.
〔动〕（原生动物的）收缩泡，伸缩泡
Example sentencesExamples
The amount of contractile vacuoles can tailor in accordance with suctorian species, age and size.
Notice the collapsing contractile vacuole in the lower middle of the frame.
The purpose of the contractile vacuole is to expel excess water from the cell, preventing the cell from swelling up.
The cytoplasm contains, in addition to digestive vacuoles, contractile vacuoles which probably function in the control of osmotic pressures.
A green fluorescent protein fusion of drainin localizes specifically to the contractile vacuole and rescues its periodic discharge in drainin-null cells.
Definition of contractile vacuole in US English:
contractile vacuole
noun
Zoology
A vacuole in some protozoans which expels excess liquid on contraction.
〔动〕（原生动物的）收缩泡，伸缩泡
Example sentencesExamples
The amount of contractile vacuoles can tailor in accordance with suctorian species, age and size.
A green fluorescent protein fusion of drainin localizes specifically to the contractile vacuole and rescues its periodic discharge in drainin-null cells.
Notice the collapsing contractile vacuole in the lower middle of the frame.
The cytoplasm contains, in addition to digestive vacuoles, contractile vacuoles which probably function in the control of osmotic pressures.
The purpose of the contractile vacuole is to expel excess water from the cell, preventing the cell from swelling up.