50.0 MB (1.7 MB compressed)
4674 x 3739 pixels
39.6 x 31.8 cm ⏐ 15.6 x 12.5 in (300dpi)
JOSE CALVO / SCIENCE PHOTO LIBRARY JOSE CALVO / SCIENCE PHOTO LIBRARY
Kidney proximal convoluted tubule, light micrograph. The main morphological difference between proximal and distal convoluted tubules is the presence in the proximal ones of a brush border made by densely packed microvilli, rich in alkaline phosphatase. In this image, a histochemical technique for alkaline phosphatase allows the identification of proximal convoluted tubules. Magnification: x360 when printed at 10 centimetres wide.
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