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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:Abnormal pattern electroretinogram
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Accession:HP:0030467 term browser browse the term
Definition:An anomalous response to a pattern electroretinogram (PERG), a particular kind of ERG obtained in response to contrast modulation of patterned visual stimuli at constant mean luminance-typically contrast-reversing gratings or checkerboards-whose characteristics are fundamentally different from those of the traditional ERG in response to diffuse flashes of light.
Synonyms:xref: UMLS:C4072957


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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the eye 0
        Abnormal eye physiology 0
          Abnormal visual electrophysiology 0
            Abnormal electroretinogram 0
              Abnormal pattern electroretinogram 0
                Abnormal P50/N95 ratio of pattern electroretinogram 0
                Abnormal amplitude of pattern electroretinogram 0
                Abnormal timing of pattern electroretinogram 0
                Undetectable pattern electroretinogram 0
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