caveola

Etymology

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.

caveola means A small (50–100 nanometer) invagination of the plasma membrane in many vertebrate cell types. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

noun

A small (50–100 nanometer) invagination of the plasma membrane in many vertebrate cell types.