MP:0001967 | deafness | "inability to hear" [J:57651] |
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Allelic Composition: Unc93b1tm1(KOMP)Vlcg/Unc93b1tm1(KOMP)Vlcg Genetic Background: involves: C57BL/6NTac
Allelic Composition: Pdzd7mpc265H/Pdzd7mpc265H Genetic Background: involves: BALB/c * C3H/HeH * C57BL/6J
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MP:0004399 | abnormal cochlear outer hair cell morphology | "any structural abnormality in the sensory cells of the organ of Corti which are in synaptic contact with sensory as well as efferent fibers of the auditory nerve; there are three rows of columnar outer hair cells largely surrounded by cortilymph and supporting phalangeal cells; the apical end of each cell is anchored to the cuticular plate and about 100 stereocilia arranged in a V-shaped pattern extend from the cell s surface through the cuticular plate into the tectorial membrane" [MGI:anna "Anna V. Anagnostopoulos, Mouse Genome Informatics Curator"] |
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Allelic Composition: Unc93b1tm1(KOMP)Vlcg/Unc93b1tm1(KOMP)Vlcg Genetic Background: involves: C57BL/6NTac
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MP:0004414 | decreased cochlear microphonics | "reduction of the bioelectric potentials produced by the hair cells of the organ of Corti in response to sound" [MGI:anna "Anna V. Anagnostopoulos, Mouse Genome Informatics Curator"] |
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Allelic Composition: Unc93b1tm1(KOMP)Vlcg/Unc93b1tm1(KOMP)Vlcg Genetic Background: involves: C57BL/6NTac
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MP:0004431 | abnormal hair cell mechanoelectric transduction | "anomalous conversion of mechanical energy into electric(al) energy by sensory cells, such as auditory and vestibular hair cells, required for auditory sensation" [MGI:anna "Anna V. Anagnostopoulos, Mouse Genome Informatics Curator"] |
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Allelic Composition: Unc93b1tm1(KOMP)Vlcg/Unc93b1tm1(KOMP)Vlcg Genetic Background: involves: C57BL/6NTac
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MP:0004434 | abnormal cochlear outer hair cell physiology | "anomalies in processes pertinent to the function of cochlear OHCs which are known to enhance the performance of the cochlea, both qualitatively (increased selectivity) and quantitatively (increased sensitivity); in addition to the mechanoelectric transduction required for auditory sensation, OHCs also perform electromechanical transduction, whereby transmembrane voltage drives rapid changes in the length and stiffness of OHCs at audio frequencies in vitro (electromotility)" [MGI:anna "Anna V. Anagnostopoulos, Mouse Genome Informatics Curator"] |
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Allelic Composition: Unc93b1tm1(KOMP)Vlcg/Unc93b1tm1(KOMP)Vlcg Genetic Background: involves: C57BL/6NTac
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MP:0004527 | abnormal outer hair cell stereociliary bundle morphology | "any structural anomaly or disruption of the typical V or W-like pattern of arrangement of mechanosensitive hair bundles located at the apical end of cochlear OHCs; each hair bundle is normally composed of ~100 nonmotile, actin-filled microvilli (stereocilia) arranged in rows of increasing height and coupled to one another by morphologically distinct links: tip links, horizontal top connectors, shaft connectors, and ankle links; most hair bundles also possess a single motile kinocilium immediately adjacent to the tallest (outermost) row of stereocilia; a fifth link type, the kinocilial link, connects the kinocilium to its neighboring stereocilia" [MGI:anna "Anna V. Anagnostopoulos, Mouse Genome Informatics Curator"] |
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Allelic Composition: Unc93b1tm1(KOMP)Vlcg/Unc93b1tm1(KOMP)Vlcg Genetic Background: involves: C57BL/6NTac
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MP:0004529 | decreased outer hair cell stereocilia number | "decreased number (or less than the expected 100 or so) of the nonmotile, actin-filled specialized microvilli (stereocilia) normally arrayed on cochlear outer hair cells" [MGI:anna "Anna V. Anagnostopoulos, Mouse Genome Informatics Curator"] |
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Allelic Composition: Unc93b1tm1(KOMP)Vlcg/Unc93b1tm1(KOMP)Vlcg Genetic Background: involves: C57BL/6NTac
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MP:0004736 | abnormal distortion product otoacoustic emission | "any abnormality in the sound produced by the cochlea in response to stimulation with 2 simultaneous tones of different frequencies; this measurement is particularly useful in assessing the functional state of OHCs" [eMedicine:http://www.emedicine.com/ent/topic372.htm, MGI:anna "Anna V. Anagnostopoulos, Mouse Genome Informatics Curator", MGI:csmith "Cynthia L. Smith, Mouse Genome Informatics Curator"] |
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Allelic Composition: Unc93b1tm1(KOMP)Vlcg/Unc93b1tm1(KOMP)Vlcg Genetic Background: involves: C57BL/6NTac
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MP:0011062 | abnormal outer hair cell kinocilium morphology | "any structural anomaly of the nonmotile primary cilium that is found at the apical surface of outer hair cells" [GO:0060091] |
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Allelic Composition: Unc93b1tm1(KOMP)Vlcg/Unc93b1tm1(KOMP)Vlcg Genetic Background: involves: C57BL/6NTac
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MP:0011967 | increased or absent threshold for auditory brainstem response | "increase in the value at which one or more sound frequencies or broadband clicks first elicits a recordable response generated by electrical activity of neurons in the ascending auditory system, or complete lack of a recordable response at any frequency or broadband click" [MGI:csmith] |
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Allelic Composition: Unc93b1tm1(KOMP)Vlcg/Unc93b1tm1(KOMP)Vlcg Genetic Background: involves: C57BL/6NTac
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