Auditory Anatomy
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1 Tunnell that runs through a bony shelf; 8th N
fibers run thru the tunnel (2 words with
hyphen)
3 There are about 3000-3500 of these; most
of the afferent 8th N fibers synapse on them
4 Middle ear muscle that runs from the
anterior surface of the ME cavity to the
malleus
7 Leaf-shaped membrane that lies above the
hair cells
8 Core of bone around which the cochlea is
wrapped
9 Fluid in the membraneous labyrinth
12 Attaches the basilar membrane to the wall of
the labyrinth
13 Fibrous covering of the bony shelf
14 Tuned membrane, narrower (and stiffer) at
one end than the other
15 Structure that secretes endolymph (2 words
with hyphen)
1 Gap at the end of the cochlea that would
allow a boat to be rowed from the scala
typani to the scala vestibuli
2 End of the cochle where low frequencies are
directed
5 Tiny muscle that emerges from the
pyramidal eminance
6 Fluid in the scala typani and the scala
vestibuli
10 The point of the cone-shaped tympanic
membrane
11 The 3rd and smalles of the ossicles
Auditory Anatomy
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