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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

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Accession:HP:0011002 term browser browse the term
Definition:Abnormally increased formation of dense trabecular bone tissue. Despite the increased density of bone tissue, osteopetrotic bones tend to be more fracture-prone than normal.
Synonyms:exact_synonym: Harder, denser, fracture-prone bones
 related_synonym: Albers-Schoenberg disease;   Albers-Schonberg disease;   Albers-Schönberg disease;   Marble bone disease
 xref: MESH:D010022;   SNOMEDCT_US:1926006;   SNOMEDCT_US:367489004;   UMLS:C0029454

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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
                  Increased bone mineral density 0
                    Osteopetrosis 0
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