a device consisting of microelectrodes that deliver electrical stimuli directly to the auditory nerve when surgically implanted into the cochlea, enabling a person with sensorineural deafness to hear.
a device that stimulates the acoustic nerve in the inner ear in order to produce some form of hearing in people who are deaf from inner ear disease
A surgically implanted electronic device that allows people with severe hearing loss to recognize some sounds. It consists chiefly of a microphone and receiver, a processor that converts speech into electronic signals, and an array of electrodes that transmit the signals to the auditory nerve in the inner ear.
- Cochlear joint
cochlear joint n. A form of hinge joint in which the opposing articular surfaces form part of a spiral and flexion is accompanied by a certain amount of lateral movement. Also called spiral joint.
- Cochlear labyrinth
cochlear labyrinth n. The part of the inner ear containing the spiral organ.
- Cochlear nerve
cochlear nerve n. The cochlear part of the vestibulocochlear nerve peripheral to the cochlear root, composed of nerve processes with terminals on the four rows of hair cells and the bipolar neurons of the spiral ganglion. Also called auditory nerve.
- Cochlear nucleus
cochlear nucleus n. Any of the nuclei that are located on the dorsal and lateral surface of the inferior cerebellar peduncle in the floor of the lateral recess of the rhomboid fossa, receive the incoming fibers of the cochlear part of the vestibulocochlear nerve, and are the major source of the lateral lemniscus or central […]