Go back to the index of this complete glossary to find the definition of all medical terms for cancers, treatments and health.
Cancer Glossary - U
- Ultrasound : Diagnostic procedure that bounces high-frequency sound waves off
tissues and changes the echoes into pictures.
- Ultraviolet radiation : Invisible rays that are part of the sun’s energy. Also
called UV. UV can burn the skin and cause skin cancer.
- Upper GI series : X-rays of the upper digestive system that are taken after
a person drinks a barium solution, which outlines the digestive organs on the
x-rays.
- Urea : Main waste material in urine.
- Ureters : Tubes that carry urine from each kidney to the bladder.
- Urethra : Tube that empties urine from the bladder.
- Urologist : Doctor who specializes in diseases of the urinary organs in females and the urinary and sex organs in males.