Assertion: kidney stone | /r/MadeOf | uric acid
Facets:
Source sentences:
text: Uric acid stones Some kidney stones are made of uric acid, a waste product that normally exits the body in the urine.
text: Characteristics associated with a higher risk include: being younger, male and white; a family history of kidney stones; blood in the urine; a kidney stone made of uric acid; having an obstructing stone in the kidney pelvis, or additional non-obstructing stones; and a past history of kidney stone-related pain from a stone that was not actually seen.