the layer of extracellular matrix that lies between the endothelium of the glomerular capillaries and the podocytes of the inner or visceral layer of the Bowman capsule; it is a fusion of the endothelial cell and podocyte basal laminas and acts as a physical barrier and an ion-selective filter [ ]

Synonyms: glomerular capillary basement membrane glomerular filtration membrane

This is just here as a test because I lose it

Term information


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external definition

Membrane between the mesonephric podocytes and the renal glomerular capillaries. It is a trilaminar structure composed of the fused basement membranes of the glomerular capillaries and basement membrane of the podocytes. The capillary membranes touch the GBM at contact points that are separated by pores. The membrane is semi-permeable allowing water and small molecules to pass into the renal capsular space.[TAO]