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brush border

noun

, Anatomy.
  1. a dense array of microvilli projecting from the surface of certain epithelial tissues, as the lining of the intestinal tract.


brush border

noun

  1. physiol a layer of tightly packed minute finger-like protuberances on cells that line absorptive surfaces, such as those of the intestine and kidney See also microvillus
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of brush border1

First recorded in 1900–05

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brushbackbrush broom