External ear - Definition
The term "External ear" refers to a point of entry to the auditory receptors of the inner ear. It is one of two auditory organs, or organs of hearing, on the sides of the head that comprise of internal and external parts.
It is also known by the following names:
It is also referred to as "Auris externa" in Latin and as "Région auriculaire" in French.
External ear - Anatomy
It is comprised of three structures:
The pinna protrudes from the side of the head and collects the air vibrations by which sound is produced. The acoustic meatus leads inward from the underside of the auricula and conveys the sound vibrations to the tympanic cavity.
External ear - Pictures
The images below are useful in understanding the appearance of this structure.
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