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).
Any measurement related to immunoglobulin, any of several classes of proteins produced by plasma cells and lymphocytes which play essential roles in the immune system, for example, attaching to foreign substances in an effort to destroy them, in plasma, the fibrinogen-containing fluid portion of the blood in which the particulate components are suspended.