What does the cochlea contain?

The cochlea is a spiral-shaped organ located in the inner ear. It is responsible for converting sound waves into electrical signals that are sent to the brain. The cochlea contains the following structures:

* The scala tympani, which is the lower chamber of the cochlea and is filled with perilymph.

* The scala vestibuli, which is the upper chamber of the cochlea and is also filled with perilymph.

* The scala media, which is the middle chamber of the cochlea and is filled with endolymph.

* The spiral lamina, which is a bony shelf that separates the scala tympani and the scala vestibuli.

* The basilar membrane, which is a thin membrane that stretches across the scala media and is responsible for converting sound waves into electrical signals.

* The tectorial membrane, which is a gelatinous membrane that lies over the basilar membrane and is responsible for amplifying the sound waves.

* The organ of Corti, which is a complex structure located on the basilar membrane and contains the hair cells that convert sound waves into electrical signals.