Kidney basement membrane. Coloured transmission electron micrograph (TEM) of a section through a kidney glomerulus showing its basement membrane (brown line running from top right to bottom left). The basement membrane seperates the capillaries (not seen) at the core of the glomerulus from the glomerular cells. The smaller projections from the membrane are podocyte foot processes, which attach the podocytes (larger projections) to the membrane. The podocytes function as a barrier through which waste products are filtered from the blood. Waste from the kidneys is excreted as urine.
September 13th, 2018
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