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).
Measurement in a specified sample of liver of the number of lesions which are or have the potential to become tumors, that is, neoplasms or new growths of tissue in which cell multiplication is more or less uncontrolled and progressive, without any indication of a remodeling phenotype, that is, without a decrease in biochemical marker expression or growth rate, and without signs of regression.