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basement membrane

American  

noun

Cell Biology.

  1. a thin, extracellular membrane underlying epithelial tissue.

Etymology

Origin of basement membrane

First recorded in 1840–50

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Basement membrane: that thin layer of tissue upon which the epithelium rests.

From Explanation of Terms Used in Entomology by Smith, John. B.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.