part of part of unilaminar epithelium layer of microvilli brush border layer FMA class represents an individual microvillus brush border membrane Wikipedia:Brush_border The microvilli-covered surface of simple cuboidal epithelium and simple columnar epithelium cells found in certain locations of the body; mainly in the small an large intestines and kidneys. brush border Note - this anatomical structure differs from the cellular component GO_0005903 brush border (defined as: the dense covering of microvilli on the apical surface of a epithelial cells in tissues such as the intestine, kidney, and choroid plexus; the microvilli aid absorption by increasing the surface area of the cell). FMA:70977 UBERON:0012424