The urethral sphincter is a muscle that controls the flow of urine.

The pupillary sphincter adjusts the size of the pupil according to the intensity of light.

Dysfunction of the sphincter of Oddi is considered a type of gallstone disease.

I was diagnosed with pyuria by the doctor.

If your uric acid levels are high, you may be at risk for gout.

Urinary tract infection is a disease where part or all of the urinary tract is infected by bacteria.

Recently, I've been troubled by severe pollakiuria.

He is scheduled to have surgery on his bladder.

He needs to have surgery on his bladder.

He underwent surgery for a ureteral stone.