bone mineral morphological measurement volumetric bone mineral density 2013-05-07T17:11:46Z CMO:0001553 EFO:0007620 JSmith Measurement of the mineral mass per unit volume of bone, the hard, rigid form of connective tissue constituting most of the skeleton of vertebrates and composed chiefly of calcium salts. VT:0005007 clinical_measurement_ontology vBMD volumetric BMD