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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:Ataxia
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Accession:HP:0001251 term browser browse the term
Definition:Cerebellar ataxia refers to ataxia due to dysfunction of the cerebellum. This causes a variety of elementary neurological deficits including asynergy (lack of coordination between muscles, limbs and joints), dysmetria (lack of ability to judge distances that can lead to under- or overshoot in grasping movements), and dysdiadochokinesia (inability to perform rapid movements requiring antagonizing muscle groups to be switched on and off repeatedly).
Comment:Ataxia can be differentiated into dyssynergy, asynergy, dysmetria (hypometria, hypermetria), dysdiadochokinesis, gait ataxia, truncal ataxia, limb ataxia, and dysarthria). Note: This term does not include sensory ataxia.
Synonyms:exact_synonym: Cerebellar ataxia
 alt_id: HP:0001253;   HP:0002513;   HP:0007050;   HP:0007157
 xref: SNOMEDCT_US:85102008;   UMLS:C0007758


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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the nervous system 0
        Abnormal nervous system physiology 0
          Abnormal central motor function 0
            Abnormality of coordination 0
              Ataxia 0
                Cerebellar ataxia associated with quadrupedal gait 0
                Dysdiadochokinesis 0
                Dysmetria + 0
                Dyssynergia + 0
                Episodic ataxia 0
                Gait ataxia + 0
                Limb ataxia 0
                Nonprogressive cerebellar ataxia 0
                Optic ataxia 0
                Progressive cerebellar ataxia 0
                Spastic ataxia 0
                Truncal ataxia + 0
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