bone mineral mass femur mass femur mineral mass caripark VT:0010011 femur mineral content femur bone mineral density EFO:0020095 2011-10-18T10:34:29Z Trait.ontology The amount of matter in the minerals (inorganic elements or compounds that have importance in body functions) in the major bone in the upper portion of the hindlimb of quadrupeds or the lower limb of bipeds.