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).
Measurement of the amount of one or more catecholamine hormones, any of a group of amines composed of a pyrocatechol molecule and the aliphatic portion of an amine that have important physiological effects as hormones and usually also as neurotransmitters, in a specified sample of blood, the fluid that circulates through the heart, arteries, capillaries and veins carrying nutrients and oxygen to the body tissues and metabolites away from them. A hormone is a substance produced in one part or organ of the body that initiates or regulates the activity of an organ or a group of cells in another part of the body.