Auditory Flashcards
What are the two structures of the inner ear where sound transduction occurs
Cochlea and organ of corti
Increase in density
Compression
Reduction in density
Rarefraction
What separates the scala media from the scala vestibuli
Reissner’s membrane
What separates the scala media from the scala tympant
basilar membrane
can be found within the scala tympani and scala vestibuli
Perilymph
Found within the scala media
Endolymph
_____ comprise the sensory receptors that transduce sound energy into a neurochemical signal
Hair cells
the ______ comprises the sensory apparatus for the transduction of sound energy
Organ of Corti
hair cells are arranged along an epithelial lining above the _______
basilar membrane
The arrangement of osiccles amplify the energy of the sound wave _____ dB
20-25 db
When the shapes presses on the oval window what happens to the round window membrane
It bows outward
What happens when the oval window rarefract?
The Basilar membrane rebounds upward and the shapes is pushed outward
In terms of endolymph hair cells and peilymph, arrange them from highest K+ concentration to lowest
Endolymph
Haircells
Perilymph
What causes K+ to move in to the haircells
Mechanosensitive gating (Displacement)