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                                                Testis, boar (labels) - histology slide
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                                                This is a histology slide taken from the testicle of a boar.1.Lumen of seminiferous tubulues
 2 spermatids
 3 spermatocytes
 4 spermatogonia
 5 Sertoli-cell
 6 Myofibroblasts
 7 Leydig cells
 8 capillaries
 
 Histology image courtesy of Wikimedia Commons and Uwe Gille. 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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