Urinary Calculi/ Kidney stone
Calculi or stone is a solid/ crystal sedimentation formed in the urinary system. It is also called as Urolithiasis. It is mainly formed from the dietary minerals and waste materials found in the urine. It is usually comprised as a compound called Calcium oxalate or Phosphate. These are result of an accumulation of dissolved minerals on the inner surface of urinary system like Kidneys etc. It may have different sizes. Some of them have the size of a pin head and may be pass unnoticed through urine without causing any symptoms. Some of them have enough size to obstruct urinary passage and can cause symptoms like pain,etc. These can be grouped and classified according to the location and chemical composition.
