7.2 Flashcards
Tympanic membrane
The eardrum
Ossicle
One of the three bones in the middle ear
Malleus
The hammer; the first of the three ossicles
Incus
The anvil; the second of the three ossicles
Stapes
The stirrup; the last of the three ossicles
Cochlea
The snail-shaped
structure of the inner ear that contains the
auditory transducing mechanisms.
Oval window
An opening in the bone
surrounding the cochlea that reveals a
membrane, against which the baseplate
of the stapes presses, transmitting sound
vibrations into the fluid within the cochlea.
Organ of Corti
The sensory organ on the
basilar membrane that contains the auditory hair cells.
Hair cell
The receptive cell of the auditory apparatus
Deiters’s cell
A supporting
cell found in the organ of Corti; sustains
the auditory hair cells.