![](http://www.alamy.com/thumbs/6/DEEE01DB-AB25-44A2-85E5-15249B8CAD88/2ACNWDR.jpg)
Kidney stones. Computer artwork showing the location of the urinary system in the human body, with an enlargement showing stones (white) within one of
Kidney stones. Computer artwork showing the location of the urinary system in the human body, with an enlargement showing stones (white) within one of the kidneys (red). Kidney stones are solid accumulations of dissolved urinary minerals that have come out of solution and built up into hard stone-like objects. They typically leave the body without any symptoms when passing urine. However, if they grow to a sufficient size they may cause an obstruction in the urethra (bottom centre) and/or ureters (vertical tubes, lower centre), leading to severe pain.
Size: 2838px × 3308px
Photo credit: © GUNILLA ELAM/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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