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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 molecular composition trait
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Accession:VT:0010931 term browser browse the term
Definition:Any measurable or observable characteristic related to the proportions of proteins, minerals, nutrients, gases, or other substances in the cell-containing fluid that circulates through the body, carrying nourishment, electrolytes, hormones, vitamins, antibodies, heat, and oxygen to the tissues and taking away waste matter and carbon dioxide.

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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_004955547:2,404,532...2,426,882
Ensembl chrNW_004955547:2,404,532...2,431,050
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  vertebrate trait 4
    organism trait 1
      homeostasis trait 1
        blood homeostasis trait 1
          blood molecular composition trait 1
            blood 3-hydroxybutyrate amount 0
            blood amino acid amount + 0
            blood ammonia amount 0
            blood bilirubin amount 0
            blood calcidiol amount 0
            blood carbohydrate or carbohydrate derivative amount + 0
            blood carnitine amount 0
            blood creatinine amount 0
            blood dipeptide amount + 0
            blood electrolyte amount + 0
            blood flavanone amount 0
            blood gas amount + 0
            blood hormone amount + 0
            blood lactate amount 0
            blood lipid amount + 0
            blood malondialdehyde amount 0
            blood mineral amount + 0
            blood oxidized LDL amount + 0
            blood protein amount + 0
            blood pyruvate amount 0
            blood reactive oxygen metabolite amount + 0
            blood ribonucleic acid amount 0
            blood urea nitrogen amount 1
            blood uric acid amount 0
            blood vitamin amount + 0
            blood xenobiotic amount + 0
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