Vibrometric studies of the middle ear of the bullfrog Rana catesbeiana II. The operculum.

@article{Mason2002VibrometricSO,
  title={Vibrometric studies of the middle ear of the bullfrog Rana catesbeiana II. The operculum.},
  author={Matthew J. Mason and Peter M. Narins},
  journal={The Journal of experimental biology},
  year={2002},
  volume={205 Pt 20},
  pages={3167-76}
}
The operculum and stapes footplate, the two moveable elements within the oval window of the frog, have been thought to function independently. In this study, laser interferometry was used to record the vibrations of both structures in response to free-field airborne sound. Contrary to expectation, the operculum appears to be coupled to the footplate. Coupling is achieved both by means of ligaments and by a cartilaginous flange of the footplate that underlies the operculum. The stapes footplate… CONTINUE READING
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