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Labyrinth – Organ of balance located in the inner ear. The labyrinth consists of three semicircular canals and the vestibule.

Labyrinthitis – Viral or bacterial infection or inflammation of the inner ear that can cause dizziness, loss of balance, and temporary hearing loss.

Linear hearing aid– A hearing aid that amplifies sound by a set amount (e. g. 20%, 50%, etc.) at any particular pitch; regardless of the initial volume.

Listening Stethoscope – A device used by hearing healthcare professionals to listen to a hearing aid for the purpose of assessing the hearing aid’s performance and adjustments / repairs.

Loop System – A type of assistive listening device that utilizes a small neck or large room loop to set up a magnetic field. The system allows for a transfer of a desired signal, with less background noise interference, to a hearing aid or other device using electromagnetic energy.