PR. J. L. KEMENY, ISM / SCIENCE PHOTO LIBRARY PR. J. L. KEMENY, ISM / SCIENCE PHOTO LIBRARY
Kidney damage. Light micrograph of a section through the kidney of a patient with thrombotic microangiopathy. The capillaries (red) at the cores of the glomeruli (filtering structures) of the kidney have become damaged due to the accumulation of blood platelets and fibrin in them. The kidneys filter waste products from the blood. When the capillaries are obstructed by the platelets and fibrin they are unable to function properly. As more of the kidney is damaged, toxic substances start to build up in the blood, eventually leading to kidney failure, which can be fatal.
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