Noise Health Close
 

Figure 4 (bottom) Average cytocochleogram (n=5) obtained from rats exposed to toluene alone; (top) Average cytocochleogram (n=5) obtained from rats exposed to both toluene and ethanol. Abscissa - upper trace: length (mm) of the entire spiral course of the organ of Corti from the bottom of the hook. - lower trace : frequency-map according to Müller (1991). Ordinate: hair cell loss in percent. IHC: inner hair cells; OHC1: first row of outer hair cells; OHC2: second row; OHC3: third row.

Figure 4 (bottom) Average cytocochleogram (n=5) obtained from rats exposed to toluene alone; (top)
Average cytocochleogram (n=5) obtained from rats exposed to both toluene and ethanol. Abscissa -
upper trace: length (mm) of the entire spiral course of the organ of Corti from the bottom of the hook.
- lower trace : frequency-map according to Müller (1991). Ordinate: hair cell loss in percent. IHC:
inner hair cells; OHC1: first row of outer hair cells; OHC2: second row; OHC3: third row.