The urinary system helps maintain the volume and chemical composition of fluids in the body. One of the main organs in the system are the kidneys, which filter waste products out of the body through ...

Urinary retention is difficulty completely emptying the bladder. People with urinary retention may need to urinate very frequently, feel the urge to urinate again immediately after using the bathroom, ...

There are many different types of urinary casts that can indicate important health information. A urinary cast is a small tube-like structure sometimes found when urine is examined under a microscope.

A urine cytology test looks at the cells in your urine under a microscope. It can help your doctor diagnose some forms of urinary tract cancer. You may need one if you've had blood in your urine.