scala tympani


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Related to scala tympani: Scala media, scala vestibuli, vestibular membrane

scala tympani

[′skā·lə tim′pan·ē]
(anatomy)
The lowest channel in the cochlea of the ear; filled with perilymph.
References in periodicals archive ?
When an electric current is routed to an intracochlear electrode, an impulse generated to the nerves in scala tympani and then directly to the brain through the auditory nerve system.
The most frequent site of ossification is the basal turn of the scala tympani (2,3).
Scala vestibule insertion in cochlear implantation: a valuable alternative for cases with obstructed scala tympani.
first focused their research on inserting a molded electrode array in the scala tympani to fill the space [33-34], thus limiting the spread of current around it.
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.
The RWM separates the niche from the scala tympani.
20) In addition, no deleterious effects on auditory function as measured by auditory brainstemevoked response testing were observed when leupeptin was continuously administered for 4 days to the scala tympani of chinchillas.
7,8] They found that perfusion of air into the scala tympani resulted in a drastic decrease in the cochlear microphonics and in the amplitude of the compound action potential.
33] In contrast, Fukuda et al found that scala tympani inoculation with cytomegalovirus following systemic cytomegalovirus infection of guinea pigs did not lead to a humoral immune response in either serum or perilymph.