Anatomy of human ear
<a href="//commons.wikimedia.org/wiki/User:Sanko" title="User:Sanko">Sanko</a>
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Own work based on: <a href="//commons.wikimedia.org/wiki/File:Anatomy_of_the_Human_Ear.svg" title="File:Anatomy of the Human Ear.svg">Anatomy of the Human Ear.svg</a>