The basement membrane is a structure that supports overlying epithelial or endothelial cells.

basement membrane: A specialized, sheet-like structure of the extracellular matrix that separates cells from the surrounding connective tissue, and thereby serves as a boundary of ...

The glomerular basement membrane is the basal laminal portion of the glomerulus which performs the actual filtration though the filtration slits between the podocytes, separating ...

base·ment membrane (b s m nt) n. A thin, delicate layer of connective tissue underlying the epithelium of many organs. Also called basilemma. basement membrane

membrane, structure composed mostly of lipid lipids, a broad class of organic products found in living systems. Most are insoluble in water but soluble in nonpolar solvents.