cochlea

the spiral-shaped chamber within the inner ear that transforms sound waves into nerve impulses. The cochlea is a fluid-filled organ that houses many structures related to hearing, including the basilar membrane and the organ of Corti. It is considered the organ of hearing.

Glossary: basilar membrane
Glossary: tectorial membrane
Glossary: acoustic reflex (AR)
Hearing in Land Mammals
Hearing Sensitivity Studies
DOSITS Videos
What components of sound are used for hearing?
Reference List: Animals and Sound
Acoustic Masking in Mammals
Hearing in Cetaceans and Sirenians, the Fully Aquatic Ear