The spiral cavity of the inner ear containing the organ of Corti, which produces nerve impulses in response to sound vibrations.
- ‘The inner ear includes the cochlea, the hearing organ, and the semicircular canals and otolith organs, the sense organs of balance.’
- ‘In the cochlea in the inner ear, the vibrations are changed into electric signals that move along the nerves to the brain.’
- ‘In man, the cochlea and the organ of Corti follow a spiral course of two and one half turns.’
- ‘By completely bypassing the damaged part of the cochlea, the cochlear implant uses its own electrical signals to stimulate the auditory nerve, allowing the person to hear.’
- ‘This measures the responses the cochlea makes to sounds produced by a probe placed in the outer ear.’
Mid 16th century (used to denote spiral objects such as a spiral staircase and an Archimedean screw): from Latin, snail shell or screw from Greek kokhlias. The current sense dates from the late 17th century.