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 (https://rgd.mcw.edu/rgdweb/contact/contactus.html).
Measurement of the amount of creatinine eliminated from the body in the urine per unit time. Creatinine is a nitrogenous compound formed in muscle as the end product of creatine metabolism. Blood and urine tests for creatinine are used as diagnostic indicators of kidney function and muscle mass.