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                                                Trachea, ostrich - histology slide
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                                                This is a histology slide of trachea from an ostrich. 
 
Image source: Wikemida Commons and user Lycaon.cl 
 
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". 
 
A link to the license is available at Licenses and Credits.
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