From the case:
Operculum diagram (wikimedia commons)
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Operculum
Case Discussion
Author: Gray's Anatomy FIG. 726
Original file: https://commons.wikimedia.org/wiki/File:Operculum.png
Modifications: modified by Uwe Gille on Wikimedia
License: This image is from the 20th U.S. edition of Gray's Anatomy of the Human Body, originally published in 1918 and therefore lapsed into the public domain
If you believe your copyright has been infringed, please write to [email protected] giving details of why you believe this is so.
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