Caveolae

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Caveolae are invaginations of the plasma membrane of cells. They are present in skeletal muscle cells and smooth muscle cells but are present in greater numbers in smooth muscle cells[1]. Due to the presence of proteins such as Ca2+ ATPase in their structure, they are believed to be used to take in and remove calcium ions from the cytosol[2].

References

  1. Kao, C. Y. and Carsten, M. E. (1997) Cellular Aspects of Smooth Muscle Function. Cambridge: University Press.
  2. Fujimoto, T. (1993) 'Calcium pump of the plasma membrane is localized in caveolae', The Journal of Cell Biology 120: 1147-1157.
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