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. 2014 Dec 2;1:47. doi: 10.3389/fsurg.2014.00047

Figure 1.

Figure 1

Histological appearance and seminiferous tubule (ST) scoring. Ungrafted controls are shown in (A,E,I). Slow-frozen grafted tissue (group A) is shown in (B,F,J). Slow-frozen tissue supplemented with NAC (group B) is shown in (C,G,K). Slow-frozen tissue supplemented with testosterone (group C) is shown in (D,H,L). Immature testicular tissue is from boys of 2 (A–D), 8 (E–H), and 14 years of age (I–L). STs considered intact score 1, STs considered satisfactory score 2, and damaged STs score 3 [shown in (M)]. Scale bar: 50 μm.