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MAMMALIAN PHENOTYPE - ANNOTATIONS

The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories (ftp://ftp.informatics.jax.org/pub/reports/index.html). For more information about these ontologies, see the MGI Publications Page at http://www.informatics.jax.org/mgihome/other/publications.shtml.
Term:abnormal auditory summating potential
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Accession:MP:0006388 term browser browse the term
Definition:any anomaly in the dc shift in the waveform sustained for the duration of a toneburst stimulus that represents the depolarization of sensory hair cells in the cochlea; positive summating potentials (SPs) reflect activity of basal turn hair cells while negative SPs are derived from hair cell activity in the apical turn; negative SPs tend to be obtained at low frequencies and low intensities of stimulus, while positive SPs are recorded in response to high frequencies and high intensities
Synonyms:exact_synonym: abnormal SP;   abnormal summating potential


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  mammalian phenotype 5428
    hearing/vestibular/ear phenotype 23
      abnormal ear physiology 19
        abnormal hearing physiology 19
          abnormal hearing electrophysiology 13
            abnormal auditory summating potential 0
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