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 measurement of the movement of an organism from one place or position to another (especially such a movement accomplished by the action of appendages such as flagella, limbs, or wings) which originated with or was undertaken, controlled, or accomplished as a result of that organism's free will or choice.