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The Human Phenotype Ontology (HPO) is downloaded weekly from The file downloaded is considered the "last stable build" available for the ontology. For more about the HPO, view their website at

Term:Reduced bone mineral density
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Accession:HP:0004349 term browser browse the term
Definition:A reduction of bone mineral density, that is, of the amount of matter per cubic centimeter of bones.
Synonyms:exact_synonym: Decreased bone mineral density;   Decreased bone mineral density Z score;   Low solidness and mass of the bones
 xref: UMLS:C2674432

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Term Annotations click to browse term
  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the musculoskeletal system 0
        Abnormality of the skeletal system 0
          Abnormal skeletal morphology 0
            Abnormal bone structure 0
              Abnormal bone ossification 0
                Abnormality of bone mineral density 0
                  Reduced bone mineral density 0
                    Generalized bone demineralization 0
                    Osteomalacia 0
                    Osteopenia 0
                    Osteoporosis + 0
                    Patchy reduction of bone mineral density 0
                    Patchy variation in bone mineral density 0
                    Rickets + 0
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