JOSE CALVO / SCIENCE PHOTO LIBRARY JOSE CALVO / SCIENCE PHOTO LIBRARY
Light micrograph of a normal glomerulus with PAS stain. The PAS method stains the basement membranes of the capillary loops and Bowman's capsule. In the cortical labyrinth, the basement membrane of convoluted tubules and the brush border are also PAS-positive. Magnification: x360 when printed at 10 centimetres wide.
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