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Medical Dictionary Terms Beginning with U
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Urea
Urea: A substance containing nitrogen that is normally cleared from the blood into the urine by the kidney. Diseases that compromise the function of the kidney often lead to increased blood levels of urea, measured by the blood urea nitrogen (BUN) testmore detail info...
Urea breath test (UBT)
Urea breath test (UBT): The urea breath test (UBT) is a procedure for diagnosing the presence of a bacterium, Helicobacter pylori (H. pylori) that causes inflammation, ulcers, and atrophy of the stomach. The test also may be used to demonstratemore detail info...
Ureters
Ureters: The tubes that carry urine from each kidney to the bladder.more detail info...
Urethra
Urethra: Transport tube leading from the bladder to discharge urine outside the body. In males the urethra travels through the penis.more detail info...
Urethritis
Urethritis: Inflammation of the urethra. The urethra is the transport tube leading from the bladder to discharge urine outside the body.more detail info...
Uric acid
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 goutmore detail info...
Urinalysis
Urinalysis: A test that determines the content of the urine.more detail info...
Urinary
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.more detail info...
Urinary tract
Urinary tract: The organs of the body that produce and discharge urine. These include the kidneys, ureters, bladder, and urethra.more detail info...
Urinary tract infection (UTI)
Urinary tract infection (UTI): Infection of the kidney, 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. Undemore detail info...
Urine
Urine: Liquid waste. The urine is a clear, transparent fluid. It normally has an amber color. The average amount of urine excreted in 24 hours is from 40 to 60 ounces (about 1,200 cubic centimeters). Chemically, the urine is mainly an aqueous (watmore detail info...
Urolithiasis
Urolithiasis: Stones in the kidney, bladder, and/or urethra (urinary tract). A common cause of blood in the urine and pain in the abdomen, flank, or groin. Occurs in 1 in 20 people at some time in their life. Development of the stones is relatedmore detail info...
Urologist
Urologist: A doctor who specializes in diseases of the urinary organs in females and the urinary and sex organs in males.more detail info...
Urticaria
Urticaria: Hives. Raised, itching areas of skin, often a sign of an allergic reaction. Also called &welts& or &nettle rash.&more detail info...
USPHS (United States Public Health Service)
USPHS (United States Public Health Service): A part of the Department of Health and Human Services (HHS), the USPHS is responsible for the public health of the American people. It administers a number of important health agencies including the Fmore detail info...
Uterine tubes
Uterine tubes: See Fallopian tubes.more detail info...
Uterus
Uterus: The uterus (womb) is a hollow, pear-shaped organ located in a woman's lower abdomen between the bladder and the rectum. The narrow, lower portion of the uterus is the cervix; the broader, upper part is the corpus. The corpus is made up of twmore detail info...
UTI
UTI: Urinary tract infection. (Not to be confused with URI: upper respiratory infection).more detail info...
Utility
Utility: In the analysis of health outcomes, utility is a number between 0 and 1 that is assigned to a state of health or an outcome. Perfect health has a value of 1. Death has a value of 0.more detail info...
Uvula
Uvula: The prominent anatomic structure dangling downward visibly at the back of the mouth (pharynx).more detail info...
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