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Figure 3: Light microscopy of the organ of Corti from each group at the basal turn of the cochleae. Mean morphologic grades of organ of Corti in normal control group (G1) and bilateral ear plug group (G2) were higher than those of unplugged ear of G3 and noise control (G4). Unilaterally plugged ear of G3 shows intermediate value between bilaterally plugged ear and unplugged ear of G3 in morphologic evaluation of organ of Corti

Figure 3: Light microscopy of the organ of Corti from each group at the basal turn of the cochleae. Mean morphologic grades of organ of Corti in normal control group (G1) and bilateral ear plug group (G2) were higher than those of unplugged ear of G3 and noise control (G4). Unilaterally plugged ear of G3 shows intermediate value between bilaterally plugged ear and unplugged ear of G3 in morphologic evaluation of organ of Corti