basement membrane

American  

noun

Cell Biology.

1. a thin, extracellular membrane underlying epithelial tissue.

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Etymology

Origin of basement membrane

First recorded in 1840–50

Example Sentences

It’s the type IV collagen in the basement membrane of my cochlea, or inner ear, that is abnormal and contributes to sensorineural hearing loss.

From Salon • Sep. 30, 2024

Isolectin B4 binds to α-d-galactose residues in the basement membrane secreted by endothelial cells, which surrounds pericytes.

From Nature • Apr. 4, 2014

Overall, filtration is regulated by fenestrations in capillary endothelial cells, podocytes with filtration slits, membrane charge, and the basement membrane between capillary cells.

From Textbooks • Jun. 19, 2013

Next to the endothelium is the basement membrane, or basal lamina, that effectively binds the endothelium to the connective tissue.

From Textbooks • Jun. 19, 2013

In the larger ducts there are two layers of cells, but even here the surface cell usually extends by a thinned-out stalk down to the basement membrane.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 6 "English Language" to "Epsom Salts" by Various