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. 2014 Oct 6;9(10):e109851. doi: 10.1371/journal.pone.0109851

Figure 2. Histological evaluation of intervertebral discs and TUNEL staining of apoptotic nucleus pulposus (NP) cells at 7 days after injection.

Figure 2

(A) Hematoxylin and eosin (H&E) staining of NP. (B) TUNEL staining of apoptotic NP cells (arrows). Data are given as means ± SD (n = 6). *P<0.05.