Microvillus
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Microvilli are microscopic cellular membrane protrusions that increase the surface area for diffusion and minimize any increase in volume, and are involved in a wide variety of functions, including ab
Enterocytes with microvilli
Brush border
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A brush border is the microvillus-covered surface of simple cuboidal and simple columnar epithelium found in different parts of the body. Microvilli are approximately 100 nanometers in diameter and th
Microvillus
…with contractile activity of myosin II and tropomyosin, and decreases when contraction ceases. Thousands 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. (Microvilli should not be confused with intestinal villi…
Duodenum with brush border of microvilli.