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villus |
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villusSmall fingerlike projection extending into the interior of the small intestine and increasing the absorptive area of the intestinal wall. Digested nutrients, including sugars and amino acids, pass into the villi and are carried away by the circulating blood. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Mucosal and epidermal lesions resolve with vitamin A supplementation, but it is not known whether the changes in the arachnoid villi are reversible. If hypertrophic, such arachnoid villi are then called pacchionian granulations, which can erode even further, reaching the outer table of the cranium and causing a punched-out lesion on roentgenograms. |
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