Concha
Definition 1 of 3

Anatomy
In anatomy, the term refers to the ear structure.

The external concha is visible on the outer ear.
Sound
Conchas play a key role in sound direction.

The curvature of the concha aids in auditory perception.
Structure
Concha also represents shell-like forms in various contexts.

The architectural concha mirrors that of natural shells.
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conchauricletacomarimba
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