noun Cell Biology.
a thin, extracellular membrane underlying epithelial tissue.
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Origin of basement membrane
First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for basement membrane
[ bās′mənt ]
A thin, delicate layer of connective tissue underlying the epithelium of many organs.basilemma
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.