JOSE CALVO / SCIENCE PHOTO LIBRARY JOSE CALVO / SCIENCE PHOTO LIBRARY
Kidney cortex, light micrograph. The cortex consists of the cortical labyrinth and the medullary rays. The linear array of tubules in the centre is a medullary ray. In the cortical labyrinth between them, glomeruli, proximal and distal convoluted tubules can be seen. Magnification: x90 when printed at 10 centimetres wide.
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