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 portion of the cross-sectional area of a lumbar vertebra that corresponds to the area of the cortex, the outer layer of the bone. The cross-sectional area of a lumbar vertebra is a measurement of the extent of a plane through, i.e. perpendicular to the axis of, a lumbar vertebra, any of the individual bones forming the portion of the spinal column (the protective bony corridor through which the spinal cord passes) between the thoracic vertebrae in the chest region and the sacrum in the hip region.
Synonyms:
exact_synonym:
lumbar vertebra compact bone cross-sectional area; lumbar vertebral cortical cross-sectional area