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Kidney stones
Kidney stones (urolithiasis) are mineral deposits in the urinary tracts.

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Kidney stones

Urolithiasis is a condition that is marked by the formation of crystals or stones in the urinary tract which comprises the kidneys, ureters, bladder and urethra. Renal calculi, or kidney stones as they are more commonly known, result from the crystallization of certain minerals present in urine. The process is gradual. Stones begin to form when a few particles adhere to the walls of the tubes in the urinary system and form a mass. The flow of urine continues to bring new particles that stick to the others until the stream of urine causes the stone to detach. Since the tubes that connect the urinary system are quite narrow, the stone irritates the walls as it travels through the tract, thereby causing pain. The stone eventually makes its way into the bladder. Once in the bladder, one of two things will happen:
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