32.4 MB (6.1 MB compressed)
3652 x 3100 pixels
31.0 x 26.2 cm ⏐ 12.2 x 10.3 in (300dpi)
SUSUMU NISHINAGA / SCIENCE PHOTO LIBRARY SUSUMU NISHINAGA / SCIENCE PHOTO LIBRARY
Kidney glomeruli. Coloured scanning electron micrograph (SEM) of two glomeruli, tightly coiled balls of capillaries. Hundreds of these structures are found in the kidneys, where they filter toxic waste from the blood. The resulting waste fluid drains to the bladder as urine.
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