what are microvilli
Microvilli (singular: microvillus) are microscopic cellular membrane protrusions that increase the surface area of cells and minimize any increase in volume, and are involved in a wide variety of functions, including absorption, secretion, cellular adhesion, and mechanotransduction. Contents.housands of microvilli form a structure called the brush border that is found on the apical surface of some epithelial cells, such as the small intestines.