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. 2016 Oct 16;9(1):41–51. doi: 10.18632/aging.101070

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Copyright: © 2017 Ahmed et al.

This article is distributed under the terms of the Creative Commons Attribution License (CC-BY), which permits unrestricted use and redistribution provided that the original author and source are credited.

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(A) Primary spermatocytes in pre-leptotene stage. (B) Primary spermatocytes in leptotene. (C) Primary spermatocyte in zygotene beginning to form synaptonemal complexes (arrow). (D) Primary spermatocyte with visible synaptonemal complexes (arrow) in pachytene. (E) Synaptonemal complexes (arrow). (F) Thicker and dense chromosomes are attached with spindle fibers (arrow). (G) Golgi complex is observed close to the centrosome. (H) Primary spermatocytes in diplotene. (I) Secondary spermatocytes containing vacuolated mitochondria, including a few nuages. N: nucleus; m: mitochondria; Ch; chromosomes; CC: centrosome; Na: nuage; Gi: Golgi apparatus. Scale bar= 2μm (A, B, C, D, H, I) and 1μm (E, F, G).