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 mineral mass per unit area of bone, the hard, rigid form of connective tissue constituting most of the skeleton of vertebrates and composed chiefly of calcium salts.
Synonyms:
exact_synonym:
BMD; areal BMD; areal bone mineral density; bone density
narrow_synonym:
femoral neck bone mineral density; heel bone mineral density; hip bone mineral density; radius bone mineral density; spine bone mineral density