| Type | MGI:General | Description | mice show progressive loss of hair cells in an apical to basal gradient across the basilar membrane, with minor degeneration at 3 weeks of age and severe hair loss at 9 weeks 73.3% of outer hair cells and 62.7% of inner hair cells are ablated in the basal turns, with moderate loss across middle and apical turns and all outer hair cells in cochlear middle and basal turns die off by 3 months of age outer hair cell degeneration is more severe than inner hair cell |
