Our hair cells are in our internal ear, the part that does the actual hearing that sits behind a thin membrane or eardrum. The outside part, called the pinna, works like a satellite dish to ...

If you can wiggle your ears, you can use muscles that helped our distant ancestors listen closely. These auricular muscles helped change the shape of the pinna, or the shell of the ear ...

We have to insist that hygiene begins with cleaning the folds of the pinna (ear) and that you only have to clean the meatus or entrance to the external auditory canal. Do not put anything inside.

The outer ear consists of a pinna and an external auditory canal and ... it moves the fluid and stimulates the hair cells in the cochlea. These will then generate nerve signals to the brain ...