| Health / Medical Topics |
Urea nitrogen
Pronunciation
Definition 1
Nitrogen in the blood that comes from urea (a substance formed by the breakdown of protein in the liver). The kidneys filter urea out of the blood and into the urine. A high level of urea nitrogen in the blood may be a sign of a kidney problem. Also called blood urea nitrogen and BUN. (NCI Dictionary)
Definition 2
A chemical in the blood produced by the breakdown of protein. Urea nitrogen is removed from the blood by the kidneys. Blood urea nitrogen (BUN) tests are sometimes done to see how well the kidneys are working. (NCI Dictionary)
YOU MAY ALSO LIKE
A quantitative measurement of the amount of urea present in a sample.
A radiolabelled urea molecule used to diagnose stomach ulcers caused by Heliobacter pylori. In the presence of H. pylori, urea C-14 is…
A radiolabelled urea molecule used to diagnose stomach ulcers caused by Heliobacter pylori. In the presence of H. pylori, urea C-13 is…
A substance formed by the breakdown of protein in the liver. The kidneys filter urea out of the blood and into the…
The inhabitants of a city or town, including metropolitan areas and suburban areas.
Relating to, located in, or characteristic of a city or densely populated area.
