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 in a specified sample of tissue from the heart left ventricle, of norepinephrine, a catecholamine neurotransmitter and stress hormone with multiple physiological roles including affects on heart rate, blood pressure and vascular tone.