Sediment, or particles, in your urine, can make it look cloudy. In many cases, ... This usually occurs when your bladder doesn’t empty completely and the remaining urine develops crystals.

Common causes of particles in urine. I f you've ever had to provide a sample for a urinalysis or other kind of "pee test," ...

Calcium oxalate crystals in the urine are the most common cause of kidney stones. Learn where they come from, how to prevent them, and how to remove them.

The urine sediment was remarkable for the presence of abundant calcium oxalate crystals. He did not have a personal history of kidney stones or any family history of kidney disease. He reported ...

To the Editor: Microscopic examination of the urine sediment is an important tool for the diagnosis and management of renal and genitourinary disease.1,2 Photomicrographs of urine are useful both f ...