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 value resulting from the quantification of a morphological or physiological parameter of vascular smooth muscle, the contractile soft tissue having fine myofibrils but lacking transverse striations composing the majority of the wall of blood vessels, the network of muscular tubes that carry blood through the body.