caveola

noun cav·e·o·la \ ˌka-vē-ˈō-lə \

Definition of caveola

plural caveolae play \ˌka-vē-ˈō-ˌlē\
: a flask-shaped invagination of a cell's plasma membrane that is involved especially in endocytosis by pinching off and forming vesicles in the cytoplasm

caveolar

play \ˌka-vē-ˈō-lər\ adjective
    • … clearly of benefit to pathogens, caveolae-dependent endocytosis does not feed into the lysosome pathway and does not result in the degradation of the contents of caveolar vesicles.
    • —Jeoung-Sook Shin and Soman N. Abraham

Origin and Etymology of caveola

borrowed from New Latin caveola intracellularis, literally, "intracellular pit"; caveola, going back to Medieval Latin, diminutive of Latin cavea "cage, enclosure" — more at 1gage


Medical Dictionary

caveola

noun cav·e·o·la \ ˌka-vē-ˈō-lə \

medical Definition of caveola

plural caveolae play \-ˌlē\
: a flask-shaped invagination of the plasma membrane that is involved especially in endocytosis by pinching off and forming vesicles in the cytoplasm
  • These findings suggest that the virions entered the cell and were transported to the nucleus through caveolae.
  • —Tina Petrogiannis-Haliotis et al.The New England Journal of Medicine25 Oct. 2001
Note: Caveolae are coated by proteins called caveolins and contain larger amounts of cholesterol and glycosphingolipids than the surrounding plasma membrane.

caveolar

play \-lər\ adjective
    • caveolar vesicles

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