Ear, external: There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The external ear looks complicated but it is functionally the simplest part of the ear. It consists of the pinna or auricle (the visible projecting portion of the ear), the external acoustic meatus (the outside opening to the ear canal), and the external ear canal that leads to the ear drum. In sum, there is the pinna, the meatus and the canal. And the external ear has only to concentrate air vibrations on the ear drum and make the drum vibrate. The external ear is also called the outer ear.
The External Ear: The external ear consists of the expanded portion named the auricula or pinna, and the external acoustic meatus. The former projects from the side of the head ...
III. FUNCTIONS AND PATHOPHYSIOLOGY OF THE EXTERNAL EAR Objectives: The external ear is the entry way to the auditory receptors of the inner ear.
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External ear: one of two organs of hearing on the sides of the head, comprised of internal and external parts.
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