The fact that outer hair cells in birds are regenerated naturally after the damage has been known for decades. Most of this knowledge has been accumulated through experiments where a bird's hair cells are deliberately and carefully damaged using a toxic agent such as noise. Scientists then observe the regeneration of hair cells in the areas of damage and an approximate return of function. The restoration of function is documented through electrophysiological measures such as the ABR as well as behavioral measures.
from #ORL-AlexandrosSfakianakis via ola Kala on Inoreader http://ift.tt/2qlcxV2
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