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).
The amount of one or more phytosterols in a specified sample of blood. Phytosterols, which encompass both plant sterols and stanols, comprise a large group of steroid compounds similar to cholesterol which occur in plants and vary only in carbon side chains and/or presence or absence of a double bond.