contractile vacuole
A specialized vacuole of eukaryotic cells, especially Protozoa, that fills with water from the cytoplasm and then discharges this externally by the opening of contractile vacuole pores. One of its functions is osmoregulatory.
GO:0005773
vacuole
is_a
GO:0031410
cytoplasmic vesicle
is_a
GO:0062159
contractile vacuole complex
part_of
central bladder
related
central vacuole
related