As a bone vibrator vibrates the skull, the bone and cartilage of the external ear receives energy, most of which escapes the unoccluded ear.
42.
In cases where a later surgical reconstruction of the external ear of the child might be possible, positioning of the Baha implant is critical.
43.
They have no noses ( Cloyd remarks that they have no sense of smell because of this ) and they have no visible external ears.
44.
Deep hemangiomas near sensitive structures can cause compression of softer surrounding structures during the proliferative phase, such as the external ear canal and the eyelid.
45.
Rarely, on introduction of speculum in the external ear, patients have experienced syncope due to the stimulation of the auricular branch of the vagus nerve.
46.
The perception of an externalized sound source is due to the frequency and direction-dependent filtering of the pinna which makes up the external ear structure.
47.
For example, swelling of the external ear, or pinna, presents a completely different problem than swelling of the parotid gland or the angles of the mandible.
48.
The timing of ear canal reconstruction ( canalplasty ) depends on the type of external ear ( Microtia ) repair desired by the patient and family.
49.
The external ear in animals is longer and deeper than in humans, which makes it easier for infection or wax to build up or be hard to remove.
50.
The direction of a sound in space ( see sound localization ) is determined by the brain when it analyses the interaction of incoming sound with head and external ears.
