Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «U»:
URI: Commonly used abbreviation for Upper Respiratory Infection, an infection in the respiratory tract shy of the lungs.
(Do not confuse a URI with a UTI which stands for Urinary Tract Infection).
A Upper respiratory infectionURI can be due to a large number of different viral and bacterial infect...
Uric acid: A breakdown product of purines that are part
of many foods. In gout, there are frequently, but not always, elevated levels of uric acid
in the blood (hyperuricemia). However, only a small portion of those with hyperuricemia
will develop gout. ...
Uricaciduria: The presence of excess uric acid
in the urine, which may be a sign of gout or kidney
Uridine monophosphate: (UMP) A molecular ion derived from uridylic acid. It has a uracil as its base....
Urinalysis: A test that determines the content of
the urine. Because urine removes toxins and excess liquids from the
body, it can contain important clues. Urinalysis can be used to
detect some types of disease, particularly in the case of metabolic
disorders and kidney disease. It can also be u...
Urinary: Having to do with the kidneys, ureters, and
bladder. The urinary system represents the functional and anatomic aspects of the kidneys,
ureters, and bladder....
Urinary calculus: A stone in the urinary tract. The word "calculus" in Latin means "a pebble." Pebbles were once used for counting, from which came the mathematical field of calculus. A urinary calculus is a pebble in the urinary system....
Urinary incontinence: The unintentional loss of urine. Inability to hold urine in the bladder due to loss of voluntary control over the urinary sphincters resulting in the involuntary passage of urine.
One cause of urinary incontinence is an overactive bladder. There is a sudden involuntary contract...
Urinary infection in children
Urinary infection in children: See: Urinary tract infection in children....
Urinary tract: The organs of the body that produce and discharge
urine. These include the kidneys, ureters, bladder, and urethra....
Urinary tract infection
Urinary tract infection: Infection of the
ureter, bladder, or urethra. Not everyone with a UTI has symptoms.
Common symptoms include
a frequent urge to urinate and a painful, burning when urinating.
More females than males
have UTIs. Underlying conditions that impair the normal urinary fl...
Urinary tract infection in children
Urinary tract infection in
children: Infection of the
kidney, ureter, bladder, or urethra in a child. About 3% of
girls and 1% of boys have had a recognized urinary tract infection (UTI) by age
11. The symptoms are not always obvious. They may range from just an unusual
smell of the urine or m...
Urinary urgency: An
immediate unstoppable urge to urinate, due to a sudden involuntary contraction of the
muscular wall of the bladder....
Urination, burning: See: Dysuria....
Urination, difficulty: See: Dysuria....