The auricle is a complex, three-dimensional structure primarily composed of a 1–3 mm thick frame of covered by skin. Key anatomical landmarks include: Helix : The prominent outer rim of the ear.

: The small, pointed eminence in front of the ear canal.

: The deepest, hollow part of the external ear that leads to the canal.

: The only part of the auricle not supported by cartilage; it consists of fibrous and adipose tissue. Primary Functions

: The auricle acts like a funnel to collect sound waves and amplify them.