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- Percieve
- Hearing
From Wiggling to the wonderful Variety of Sounds
It is a long way from purely mechanical vibrations to the world of sounds and tones.
17.10.2025
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- News from the Institutes
Teamwork in the inner ear
Our hearing is based on the organized grouping of proteins
06.11.2025
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- Glossary
Outer hair cell
Outer and inner hair cells are sensory cells for acoustic signals in the organ of Corti. At their tips, they have hair-like projections called stereocilia, which are connected to each other and, in the case of the outer hair cells, also to the tectorial membrane. The three rows of outer hair cells filter acoustic signals and act as a cochlear amplifier: without them, our hearing sensitivity would be reduced by about 50 dB.
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- Glossary
Inner hair cell
Outer and inner hair cells are sensory cells for acoustic signals in the organ of Corti. At their tips, they have hair-like projections called stereocilia, which are interconnected. The approximately 3,000 inner hair cells are all arranged in a row. They are the actual acoustic sensory cells. The stereocilia are deflected by fluid movement in the subtectorial cleft.
