abnormal proximal convoluted tubule brush border morphology absent proximal convoluted tubule brush border 2011-10-14T11:33:29Z MP:0011351 MPheno.ontology absent kidney apical microvillus border absent kidney apical microvillus striated border absent kidney brush border absent kidney brush border microvilli absent kidney striated border absent kidney striated border microvilli absent kidney tubular brush border absent kidney tubular striated border absent kidney tubule brush border absent kidney tubule striated border absent renal brush border absent renal brush border microvilli absent renal microvillus border absent renal microvillus striated border absent renal proximal tubular brush border absent renal proximal tubular striated border absent renal proximal tubule brush border absent renal proximal tubule striated border absent renal striated border absent renal striated border microvilli absent renal tubular brush border absent renal tubular striated border absent renal tubule brush border absent renal tubule striated border csmith failure to form a brush border of densely packed microvilli on the luminal surface of epithelial cells of the proximal convoluted tubule