This new treatment could combat hearing loss by regenerating hair cells in the inner ear

[Weird Tolkienish Figure]

https://www.pri.org/stories/2017-03-20/new-treatment-could-combat-hearing-loss-regenerating-hair-cells-inner-ear

In this case, the ear hairs in question are actually tiny, sensory hair cells in our cochlea. We have about 15,000 of them in each ear, and they’re crucial to helping us detect sound waves. But the little cells are also very fragile.