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scala tympani

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
scala tympani [′skā·lə tim′pan·ē]
(anatomy)
The lowest channel in the cochlea of the ear; filled with perilymph.


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It was also demonstrated that when electrodes are chronically implanted in the scala tympani of cats through an incision in the round window, the surgical trauma need not cause permanent cochlear damage.
Because the site of entry of the electrode array is the scala tympani of the basal turn of the cochlea, local ossification can interfere with the full insertion and optimal performance of the implant.
Three widely accepted goals for the development of future CI electrode arrays are (1) deeper insertion into the scala tympani (ST) to access lower frequency cochlear neurons; (2) greater operating efficiency, defined as a reduction in the stimulus charge required to produce a comfortable loudness level; and (3) reduced intracochlear damage associated with surgical insertion.
 
 
 
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