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Preferred Label : pinna;

Uberon definition : The part of the ear that projects from the head, connecting to the external acoustic meatus.;

Uberon synonym : auricle; pinna of ear; auricle of ear; auricle of external ear; auricula (auris externa); auricula;

Uberon related term : pinnae;

Uberon Function note : The purpose of the pinna is to collect sound. It does so by acting as a funnel, amplifying the sound and directing it to the ear canal. While reflecting from the pinna, sound also goes through a filtering process which adds directional information to the sound (see sound localization, head-related transfer function, pinna notch).;

Uberon Homology note : Mammals have a third type of tympanic ear. An external flap, the auricle or pinna, helps funnel sound waves down the external acoustic meatus to the tympanic membrane.[well established][VHOG];

Uberon Taxon note : In various species, the pinna can also signal mood and radiate heat;

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The part of the ear that projects from the head, connecting to the external acoustic meatus.

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03/07/2025


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