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).
This is any measurement of the absolute or relative amount(s) of one or more of the ribonucleic acids (RNAs) found in the knee joint, the joint that joins the thigh with the leg and consists of two articulations: one between the femur and tibia, and one between the femur and patella.