caveola.
A small (50–100 nanometer) invagination of the plasma membrane in many vertebrate cell types.
Meaning & usage
A small (50–100 nanometer) invagination of the plasma membrane in many vertebrate cell types.
Where this word comes from
Learned borrowing from New Latin caveola, constructed from cavea (“hollow, cavity; cage”) + -ola (diminutive suffix). Doublet of jail, which is from Late Latin caveola, an earlier, natural formation of the same term. More at cave, cavum, cava and cage.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.