microvilli
/ˌmaɪkroʊˈvɪlaɪ/
noun
- Tiny, finger-like projections on the surface of some cells that increase surface area for absorption or secretion.
- Microvilli in the small intestine help the body absorb nutrients from food.
- Under a microscope, microvilli look like a brush border on the cell surface.
- The cells lining the ear have microvilli that detect sound vibrations.