Sand-like concretions of uric acid, calcium oxalate, and mineral salts formed in the passages of the biliary and urinary tracts.
Calculi occurring in small particles.
Small concretions in the bladder or kidney.
The formation of small concretions in the urinary passages.
Small stones which pass from the kidney to the urinary system, causing pain in the ureter.
Small stones formed in the urinary tract. The stones usually consist of calcareous debris or aggregations of other crystalline material. The passage of gravel from the kidneys is usually associated with severe pain (ureteric colic) and may cause blood in the urine.
The name applied to any sediment which precipitates in the urine, but particularly to small crystal masses of uric acid. It produces dysuria and other urinary symptoms.
Crystalline dust or concretions of crystals from the kidneys; generally made up of phosphates, calcium, oxalate, and uric acid.
Small stones formed in the urinary tract which are passed with the urine.
The grainy material that travels through the urinary system, which, if it solidifies, could form a stone in either the kidney or the bladder.