Auditory Tracts Flashcards
1
Q
scala tympani
A
largest section, contains perilymph, continuous with tympanic membrane
2
Q
scala vestibuli
A
medium section, contains perilymph, continuous with vestibule
3
Q
helicotrema
A
scala tympani and scala vestibuli no longer partitioned (at top of spiral
4
Q
scala media
A
smallest section, contains endolymph, functional part of membranous labyrinth
5
Q
inner hair cells
A
sound transduction
6
Q
outer hair cells
A
fine tuning, controlled by efferents of medial superior olivary nucleus
7
Q
tunnel of corti
A
contains fibers of CN VII, perilymph