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 method performed in or on a living body, for example, a procedure performed on an organ in situ or on the entire living organism, consisting of the examination or observation of material using a light microscope, an optical instrument that employs visible light (electromagnetic radiation with wavelengths between approximately 390 and 700 nm) processed through a lens or a combination of lenses to produce magnified images.