SOUND PERCEPTION - The Cochlea Flashcards
How many fluid filled chambers does the Cochlea contain?
3
What are the 3 fluid filled chambers of the Cochlea
Vestibular Duct (Scala Vestibuli) Cochlear Duct (Scala Media) Tympanic Duct (Scala Tympani)
Top chamber; Perilymph inside is the 1st fluid that
vibrates in response to sound waves.
Vestibular Duct (Scala Vestibuli)
-Middle chamber which contains the Organ of Corti;
Endolymph inside is the 2nd fluid which vibrates in response to sound waves.
Cochlear Duct (Scala Media)
Bottom chamber; Perilymph vibrations in this
chamber continue to the round window, allowing release of the sound
waves from the cochlea.
Tympanic Duct (Scala Tympani)
The cochlea is part of a larger inner ear structure
called the……..
LABYRINTH
A maze of tunnels and passageways deep inside the temporal bone. These tunnels are lined with fluid-filled soft membranes that contain tiny sensory organs for hearing and balance.
LABYRINTH