Finding microscopic motors in the gut

Digestion has a previously unsuspected mechanical dimension: Vanderbilt researchers have discovered that the tiny, hair-like protrusions that line the gut are filled with millions of molecular motors that produce streams of microscopic membrane sacs, called vesicles, containing enzymes for processing nutrients.

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<p><a href="http://www.physorg.com/news102262946.html">Finding microscopic motors in the gut</a></p> <p>Digestion has a previously unsuspected mechanical dimension: Vanderbilt researchers have discovered that the tiny, hair-like protrusions that line the gut are filled with millions of molecular motors that produce streams of microscopic membrane sacs, called vesicles, containing enzymes for processing nutrients.</p>