FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term contractile vacuole ID (Ontology) GO:0000331 (Gene Ontology)
Definition 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.[ PubMed:10503189 PubMed:23890380 ]
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intracellular membrane-bounded organelle
 |__vacuole______________
intracellular vesicle    |
 |__cytoplasmic vesicle__|
                         contractile vacuole
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Is a vacuole
cytoplasmic vesicle
Part of contractile vacuole complex
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Wikipedia:Contractile_vacuole