Category: U
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Urarthritis
Arthritis associated with gout.
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Uragogue
Agent that increases urinary flow.
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Urachus
In the fetus, canal connecting the bladder and toe allantois; it remains in toe adult as an umbilical ligament. The remains of the cavity of the allantois, which usually disappears during embryonic development. In the adult it normally exists in the form of a solid fibrous cord connecting the bladder with the umbilicus, but it…
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Universal precautions
Routine use of certain barrier devices (e.g., gloves, gowns, mask, eye-shields) to prevent the transmission of infectious disease. Standard measures to prevent exposure to blood-borne pathogens. Guidelines designed to protect workers with occupational exposure to blood-borne pathogens (such as HIV and hepatitis B virus). These “universal blood and body fluid precautions” (e.g., gloves, masks, and…
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Unasyn
Parenteral antibiotic that is a fixed combination of ampicillin and sulbactam; used in moderate to severe infections. Adverse effects include diarrhea and rash.
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Umbilicus
The point on the abdomen where the umbilical cord is connected to the fetus; in adults it is marked by a depression or occasionally a small protrusion; also called, colloquially, belly button. Depressed point on the surface of the abdomen where the umbilical cord was formerly attached. The scar left on the abdomen when the…
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Ulemorrhagla
Bleeding of the gums.
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Ulalgia
Pain in the gums.
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Multiple mononeuropathy
Condition in which there is impaired function of several individual nerves; it may result from uremia, diabetes mellitus, or other disorders.
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Ultra-violet radiation
Total sterility is rarely achieved by ultra-violet radiation, the method being usually aimed at the reduction of bacterial population in air, water and on surfaces-particularly in sterile rooms and inoculation cabinets. The most effective wavelengths are 240-280 nm; the rays, emitted by mercury vapour lamps, possess little penetrating power but are readily transmissible in air…