- any of the small, fingerlike projections of the surface of an epithelial cell.
Origin of microvillus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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
- 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.