JOSE CALVO / SCIENCE PHOTO LIBRARY JOSE CALVO / SCIENCE PHOTO LIBRARY
Light micrograph showing distal (top) and proximal (bottom) convoluted tubules stained with Mallory's trichrome. Both the brush border and the basement membrane surrounding the tubule are clearly highlighted, both stained with Mallory's aniline blue. Magnification: x360 when printed at 10 centimetres wide.
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