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Definition of basement membrane
: a thin membranous layer of connective tissue that separates a layer of epithelial cells from the underlying lamina propia
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basement membrane
nounbase·ment membrane | \ ˌbā-smənt- 
\
\Medical Definition of basement membrane
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
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Time Traveler for basement membrane
The first known use of basement membrane was in 1842
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