MP:0002622 | abnormal cochlear hair cell morphology | "malformation of the sensory epithelial cells of the cochlea; these cells are in synaptic contact with the auditory nerve" [pvb:Pierre Vanden Borre , Mouse Genome Informatics Curator, Stedman s Medical Dictionary , 27th edition:ISBN 0-683-40008-8] |
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Allelic Composition: Itgb2tm1Bay/Itgb2tm1Bay,Psrs1PL/J/Psrs1PL/J Genetic Background: B6.Cg-(D10Mit75-D10Mit271) Itgb2tm1Bay
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MP:0004432 | abnormal cochlear hair cell physiology | "anomalies in processes pertinent to the integrated function of cochlear hair cells i.e. the sensory cells in the spiral organ which are in synaptic contact with sensory as well as efferent fibers of the cochlear (auditory) nerve " [MGI:anna "Anna V. Anagnostopoulos, Mouse Genome Informatics Curator"] |
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Allelic Composition: Itgb2tm1Bay/Itgb2tm1Bay,Psrs1PL/J/Psrs1PL/J Genetic Background: B6.Cg-(D10Mit75-D10Mit271) Itgb2tm1Bay
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MP:0004433 | abnormal cochlear inner hair cell physiology | "anomalies in processes pertinent to the function of cochlear IHCs which constitute the true sensory cell type sending impulses via the cochlear (auditory) nerve" [MGI:anna "Anna V. Anagnostopoulos, Mouse Genome Informatics Curator"] |
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Allelic Composition: Itgb2tm1Bay/Itgb2tm1Bay,Psrs1PL/J/Psrs1PL/J Genetic Background: B6.Cg-(D10Mit75-D10Mit271) Itgb2tm1Bay
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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: Itgb2tm1Bay/Itgb2tm1Bay,Psrs1PL/J/Psrs1PL/J Genetic Background: B6.Cg-(D10Mit75-D10Mit271) Itgb2tm1Bay
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MP:0004632 | abnormal cochlear OHC efferent innervation | "any changes in the morphology or number of efferent terminals, occurring as clusters, in the cochlear OHC region; normally, medial olivocochlear neurons, which are primarily found in rostral and ventral periolivary regions, project mainly to the contralateral cochlea, and terminate directly on OHCs" [MGI:anna "Anna V. Anagnostopoulos, Mouse Genome Informatics Curator"] |
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Allelic Composition: Itgb2tm1Bay/Itgb2tm1Bay,Psrs1PL/J/Psrs1PL/J Genetic Background: B6.Cg-(D10Mit75-D10Mit271) Itgb2tm1Bay
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MP:0004633 | abnormal cochlear IHC efferent innervation | "any changes in the morphology of the normally dense plexus of efferent terminals that contact radial fibers of the spiral ganglion below cochlear IHCs or of the sparser plexus of terminals positioned around IHC somata; normally, lateral olivocochlear neurons, which are found in and/or around the lateral superior olive, project mainly to the ipsilateral cochlea and terminate mostly on dendritic fibers below IHCs " [MGI:anna "Anna V. Anagnostopoulos, Mouse Genome Informatics Curator"] |
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Allelic Composition: Itgb2tm1Bay/Itgb2tm1Bay,Psrs1PL/J/Psrs1PL/J Genetic Background: B6.Cg-(D10Mit75-D10Mit271) Itgb2tm1Bay
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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: Itgb2tm1Bay/Itgb2tm1Bay,Psrs1PL/J/Psrs1PL/J Genetic Background: B6.Cg-(D10Mit75-D10Mit271) Itgb2tm1Bay
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