Literally, to hear with two ears. Opposite of MONAURAL HEARING ... determine front-back directions in the horizontal plane. The other chart (right) shows delays from the outer pinna rim which are ...

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 ...

Ear (aural) hematomas occur when blood vessels in the pinna rupture secondary to trauma ... to gap so that the tissues do not heal together right away to allow for drainage to occur (Fig.