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<p>the bristles of a paintbrush.</p>

<p><b>Brush border cells</b> are found mainly in the following organs:</p>

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* The <a href="page.php?w=small_intestine">small intestine</a> tract: This is where <a href="page.php?w=absorption_%28small_intestine%29">absorption</a> takes place. The brush borders of the intestinal lining are the site of terminal carbohydrate digestions. The microvilli that constitute the brush border have enzymes for this final part of digestion anchored into their apical plasma membrane as <a href="page.php?w=Integral_membrane_protein">integral membrane proteins</a>.</p><p>
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