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basement membrane
noun
: a thin membranous layer of connective tissue that separates a layer of epithelial cells from the underlying lamina propia
Examples of basement membrane in a Sentence
Recent Examples on the Web
Human tissue distribution of novel basement membrane collagen Molecules.
—Allison Futterman, Discover Magazine, 17 Apr. 2024
The body reacts to a component of skin called the basement membrane.
—Dr. Keith Roach, oregonlive, 30 Apr. 2021
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Word History
First Known Use
1842, in the meaning defined above
Time Traveler
The first known use of basement membrane was
in 1842
Dictionary Entries Near basement membrane
Cite this Entry
“Basement membrane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/basement%20membrane. Accessed 26 Nov. 2024.
Medical Definition
basement membrane
noun
base·ment membrane
ˌbā-smənt-
1
: a thin extracellular supporting layer that separates a layer of epithelial cells from the underlying lamina propria and is composed of the basal lamina and reticular lamina
More from Merriam-Webster on basement membrane
Britannica.com: Encyclopedia article about basement membrane
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