68. The external flap of the ear is called the
(
). It directs
airborne sound waves into the canal called the external auditory
, which extends
into the
portion of the skull.
69.
Where is the tympanic membrane?
On the medial side of the tympanic membrane, there is a space within the
temporal bone called the
.
What are the auditory ossicles?
The auditory ossicles respond to a sound stimulus by
.
From the lateral to the medial ends, the names of the ossicles are:
,
, and
. The auditory tube connects the middle ear cavity with the
.
70.
What is the bony labyrinth?
It has three
canals, a
(hallway), and a
snail-shaped
portion.
What is the membranous labyrinth?
71.
Where is the endolymph found?
Where is the perilymph found?
72.
The cochlea is a
structure associated with
ing. It
has
turns. Its outer boundaries are formed by the snail-shaped portion of the
.
MD0006
11-49
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