About fifteen percent of them are composed of magnesium ammonium phosphate, but they are most commonly composed of calcium oxylate (OCKZ-uh-late) and calcium phosphate.
Lithotripsy is the method of choice for removing these objects, which contain small amounts of mucoprotein (MEW-ko-pro-teen). The largest of them are sometimes known as "staghorn" ones. About fifteen percent of them are composed of magnesium ammonium phosphate, but they are most commonly composed of calcium oxylate (OCKZ-uh-late) and calcium phosphate. They are most noticeable when they end up in the ureter, causing back and groin pain as they "pass." For 10 points, name these hard objects that form in an organ used to filter blood.
Lithotripsy is the method of choice for removing these objects, which contain small amounts of mucoprotein (MEW-ko-pro-teen).
{kidney stones}