Accelerate is managed by the UCSF Clinical and Translational Science Institute (CTSI), part of the Clinical and Translational Science Award program funded by the National Center for Advancing Translational Sciences (Grant Number UL1 TR000004) at the National Institutes of Health (NIH).
Each one can produce a stone. A kidney stone is a solid mass made up of tiny crystals from the minerals calcium, oxalate and uric acid. Gallstones are hard, pebble-like cholesterol or pigment deposits that form inside the gallbladder. They can be as small as a grain of sand or as large as a golf ball.
There are four main types of stones: 1  Calcium oxalate: The most common type of kidney stone which is created when calcium combines with oxalate in the urine. Inadequate calcium and fluid intake, as well other conditions, may contribute to their formation. 2  Uric acid: This is another common type of kidney stone. Foods such as organ meats and shellfish have high concentrations of a natural chemical compound known as purines. High purine intake leads to a higher production of monosodium urate, which, under the right conditions, may form stones in the kidneys.