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The helix is the prominent rim of the auricle. Where the helix turns downwards posteriorly, a small tubercle is sometimes seen, namely the auricular tubercle of Darwin.
Video Helix (ear)
Additional images
Maps Helix (ear)
See also
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References
This article incorporates text in the public domain from page 1033 of the 20th edition of Gray's Anatomy (1918)
Source of the article : Wikipedia