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 measurement of the amount of an immunoglobulin molecule possessing a specific amino acid sequence that binds to a specific antigen, a substance introduced into an organism which initiates an immune response including the production of the very antibodies which bind to it in an effort to destroy it, in a specified sample of blood, the fluid that circulates through the heart, arteries, capillaries and veins carrying nutrients and oxygen to the body tissues and metabolites away from them.