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. 2015 Aug 27;6(1):154. doi: 10.1186/s13287-015-0132-z

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© Zhang et al. 2015

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 8 — Histological image of the disc in the CS group. a Hematoxylin and eosin stain showed that the disc contains the nucleus pulposus (NP) and transitional zone (TZ). b The TZ includes cartilage cells in the sections indicated by the gray arrow. c The NP includes vacuolar degeneration notochordal cells in the sections indicated by the black arrow. Bar = 100 μm