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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:Cervical spine instability
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Accession:HP:0010646 term browser browse the term
Definition:An abnormal lack of stability of the cervical spine.
Comment:The cervical spine is made up of two anatomically and functionally distinct segments: the upper cervical spine (C1and C2), which possesses the most rotational mobility with some degrees of frontal and sagittal plane mobility, and the lower cervical spine, which allows for two types of movements - flexion-extension and inclination-rotation. Cervical instability mainly involves the upper cervical spine, particularly between C1 and C2. Craniocervical ligaments are the main determinants of cervical spine stability.
Synonyms:xref: SNOMEDCT_US:202821008;   UMLS:C0410652



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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the musculoskeletal system 0
        Abnormality of the skeletal system 0
          Abnormal skeletal morphology 0
            Abnormal axial skeleton morphology 0
              Abnormality of the vertebral column 0
                Abnormality of the cervical spine 0
                  Cervical spine instability 0
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