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 laboratory test which measures the amount of phospholipid (phosphorus-containing lipids composed mainly of fatty acids, a phosphate group, and a simple organic molecule) specifically associated with a particular type of lipoprotein, a complex that consists of a protein layer surrounding a core of lipids, in blood.