vertebra area lumbar vertebra morphological measurement lumbar vertebra area 2013-07-08T18:19:48Z A measurement of the extent of a two-dimensional surface of or plane through 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. CMO:0001688 JSmith clinical_measurement_ontology