Type | MGI:General | Description | at E18.5, no intact OHC stereociliary bundles can be identified with phalloidin staining at E18.5 or P0, the luminal surface of OHCs throughout the length of the cochlea is composed of a sheath of poorly differentiated and disorganized apical projections and poorly defined cell boundaries at P0, long and aberrant stereocilia-like structures are identified on the surface of some degenerating OHCs |