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 method to determine the nature, properties, or composition of phytosterol(s) in a specified sample of tissue after removal of that tissue from the body. Phytosterols, which encompass both plant sterols and stanols, comprise a large group of steroid compounds similar to cholesterol that occur in plants and vary only in carbon side chains and/or presence or absence of a double bond.