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The Vertebrate Trait Ontology (VT) is being developed as a collaborative effort between the Rat Genome Database at the Medical College of Wisconsin (RGD,, Mouse Genome Informatics at the Jackson Laboratory ( and the Animal QTL database at Iowa State University ( For more information about this vocabulary, or to request additions or changes, please contact us (

Term:blood urea nitrogen amount
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Accession:VT:0005265 term browser browse the term
Definition:The proportion, quantity, or volume of nitrogen, in the form of urea, in whole blood, serum, or plasma; commonly used to measure renal function.
Synonyms:related_synonym: BUN level;   blood urea nitrogen level

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blood urea nitrogen amount term browser
Symbol Object Name Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Nr4a1 nuclear receptor subfamily 4 group A member 1 ISO RGD PMID:24722447 RGD:12910103 NCBI chrNW_004936512:9,486,096...9,508,338 JBrowse link

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  vertebrate trait 5
    organism trait 1
      homeostasis trait 1
        blood homeostasis trait 1
          blood molecular composition trait 1
            blood urea nitrogen amount 1
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