Ultrasound: Special sound waves that can be used to provide images of an organ such as the bladder.
Underactive bladder: A condition characterized by a bladder
contraction of inadequate magnitude and/or duration to affect bladder
emptying in a normal fashion.
Ureters: Two thin tubes that carry urine downward from the kidneys to the bladder.
Urethra: A thin tube that carries urine from the bladder out of the body.
Urge incontinence: The involuntary loss of urine associated with an
abrupt and strong desire to urinate.
Urge/urgency: A strong desire to void.
Urinalysis: Examination of a urine sample to check for signs of
infection, blood or other abnormalities.
Urinary tract (urinary system): The system that makes, stores, and releases urine.
Urinary incontinence (UI): Involuntary loss of urine sufficient to be a
problem. There are several types of Ul, but all are characterized by unwanted urinary leakage.
Urine: Water and waste products collected as the kidneys filter blood.
Urodynamic tests: Diagnostic tests to examine the bladder and urethral
sphincter function, usually done by inserting a small tube into the urethra.
Uroflowmetry: A urodynamic test that measures urine flow, either
visually or with an electronic flowmeter unit.
Urogynecologist: A doctor who specializes in problems of the lower urinary tract in women.
Urologist: A doctor who specializes in diseases of the urinary tract in women
and the urinary tract and reproductive system in men.