[mahy-kroh-vil-uh s]

noun, plural mi·cro·vil·li [mahy-kroh-vil-ahy] /ˌmaɪ kroʊˈvɪl aɪ/. Cell Biology.

any of the small, fingerlike projections of the surface of an epithelial cell.

Nearby words

  1. microtone,
  2. microtopography,
  3. microtremor,
  4. microtubule,
  5. microvasculature,
  6. microvolt,
  7. microwatt,
  8. microwavable,
  9. microwave,
  10. microwave background

Origin of microvillus

First recorded in 1950–55; micro- + villus

Related formsmi·cro·vil·lar, mi·cro·vil·lous, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for microvilli


noun plural -li (-laɪ)

physiol a thin protuberance present in great abundance at the surface of some epithelial cells, notably in the gut, thus increasing the surface area available for absorption
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

Medicine definitions for microvilli



n. pl. mi•cro•vil•li (-vĭlī′)

Any of the minute hairlike structures projecting from the surface of certain types of epithelial cells, especially those of the small intestine.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.