Understanding the Auditory System: Inner Ear Functions

What is the sensory epithelium that contains hair cells?

Organ of Corti

Where is the stria vascularis located and what is its function?

Scala Media; regulates ionic and metabolic composition of endolymph

What fluid is found in the scala vestibuli and tympani?

Perilymph

Which part of the cochlea contains the endolymph?

Scala Media Signup and view all the answers

What is the term used to describe the place code for frequency in the tonotopy structure?

Tonotopy structure Signup and view all the answers

What is the function of the reticular lamina in the cochlea?

Separates hair cells from hair cell bodies Signup and view all the answers

What does the envelope of the traveling wave show for a pure tone stimulus?

1 maximum of displacement Signup and view all the answers

Explain the reasons why the base of the Basilar Membrane (BM) prefers high frequencies over low frequencies.

BM width/mass increases, BM becomes thinner/soft, stereocilia becomes longer causing mass increases Signup and view all the answers

Where does mechanical tuning occur in the organ of corti?

Basilar Membrane (BM) Signup and view all the answers

What is the Characteristic Frequency (CF) in terms of mechanical tuning?

The frequency at which the sound level reaches a minimum to obtain a criterion displacement for that position on the BM Signup and view all the answers

Understanding the Auditory System: Inner Ear Functions

Questions and Answers

What is the sensory epithelium that contains hair cells?

Where is the stria vascularis located and what is its function?

What fluid is found in the scala vestibuli and tympani?

Which part of the cochlea contains the endolymph?

What is the term used to describe the place code for frequency in the tonotopy structure?

What is the function of the reticular lamina in the cochlea?

What does the envelope of the traveling wave show for a pure tone stimulus?

Explain the reasons why the base of the Basilar Membrane (BM) prefers high frequencies over low frequencies.

Where does mechanical tuning occur in the organ of corti?

What is the Characteristic Frequency (CF) in terms of mechanical tuning?

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