Send us a Message

Submit Data |  Help |  Video Tutorials |  News |  Publications |  Download |  REST API |  Citing RGD |  Contact   


The Clinical Measurement Ontology (CMO), Measurement Methods Ontology (MMO), and Experimental Condition Ontology (XCO) are currently being developed at the Rat Genome Database. For more information about these vocabularies please see Shimoyama et al. Three ontologies to define phenotype measurement data. Front Genet. 2012;3:87. Epub 2012 May 28 or contact us (

Term:serum urea nitrogen analysis
go back to main search page
Accession:MMO:0000274 term browser browse the term
Definition:A test which measures the amount of nitrogen in the form of urea present in serum, the clear liquid that separates from blood after it has clotted completely. Urea is the chief nitrogenous end product of protein metabolism and is formed in the liver from amino acids and from ammonia compounds and is found in urine, blood, and lymph.

show annotations for term's descendants           Sort by:

Term paths to the root
Path 1
Term Annotations click to browse term
  measurement method 2368
    ex vivo method 1236
      ex vivo biological fluid analysis 305
        ex vivo blood analysis 250
          blood urea nitrogen analysis 0
            serum urea nitrogen analysis 0
paths to the root