A kidney stone is a solid mass made up of tiny crystals. One or more stones can be in the kidney or ureter at the same time. See also: Cystinuria
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Kidney anatomy
Kidney - blood and urine flow
Nephrolithiasis
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Kidney stones1:02
Passing a Kidney Stone Part 1...
How to Deal With Kidney Stones
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Doctor Type Urologist Nephrologist
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