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 (http://rgd.mcw.edu/contact/index.shtml).
A calculated measurement of hydronephrosis severity which is derived from a combination of multiple measurements and/or objective or subjective assessments of severity, that is, the degree to which the hydronephrosis disease state causes pain or damage, according to a specified formula or set of criteria.