Figure 1

The orientation of the different tissue sections from a specimen block (a) and the schematic illustration of the amide bonds at different tissue surfaces (b). (SZ – superficial zone, TZ – transitional zone. RZ – radial zone).

Ramakrishnan et al. Journal of Orthopaedic Surgery and Research 2008 3:48 doi:10.1186/1749-799X-3-48
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Figure 1.