Medical Subject Headings

Last uploaded: January 16, 2025
Id http://purl.bioontology.org/ontology/MESH/D001806
http://purl.bioontology.org/ontology/MESH/D001806
Preferred Name

Blood Urea Nitrogen

Definitions
The urea concentration of the blood stated in terms of nitrogen content. Serum (plasma) urea nitrogen is approximately 12% higher than blood urea nitrogen concentration because of the greater protein content of red blood cells. Increases in blood or serum urea nitrogen are referred to as azotemia and may have prerenal, renal, or postrenal causes. (From Saunders Dictionary & Encyclopedia of Laboratory Medicine and Technology, 1984)
Synonyms
Nitrogen, Blood Urea
BUN
Urea Nitrogen, Blood
Type http://www.w3.org/2002/07/owl#Class
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