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HUMAN PHENOTYPE - ANNOTATIONS

The Human Phenotype Ontology (HPO) is downloaded weekly from http://compbio.charite.de/hudson/job/hpo/lastStableBuild/artifact/ontology/release/hp.obo. The file downloaded is considered the "last stable build" available for the ontology. For more about the HPO, view their website at http://www.human-phenotype-ontology.org/.

Term:Tibial torsion
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Accession:HP:0100694 term browser browse the term
Definition:Tibial torsion is inward twisting (medial rotation) (PATO:0002155) of the tibia.
Comment:Normally, lateral rotation of the tibia increases from approximately 5 degrees at birth to approximately 15 degrees at maturity. Tibial torsion is the most common cause of intoeing. In a study by Mullaji et al to determine tibial torsion norms, individuals in India were found to have less tibial torsion than Caucasians but about the same amount as the Japanese population. The differences in normal tibial torsion values are expected to be caused by the different lifestyles and postures of the different populations, such as cross-legged sitting positions.
Synonyms:xref: SNOMEDCT_US:249785006;   UMLS:C0426900



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Term paths to the root
Path 1
Term Annotations click to browse term
  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of limbs 0
        Abnormality of the lower limb 0
          Abnormality of the calf 0
            Abnormality of tibia morphology 0
              Tibial torsion 0
Path 2
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 appendicular skeleton morphology 0
              Abnormality of limb bone morphology 0
                Abnormal lower limb bone morphology 0
                  Abnormality of tibia morphology 0
                    Tibial torsion 0
paths to the root