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. Author manuscript; available in PMC: 2020 Sep 3.
Published in final edited form as: Acta Biomater. 2019 Jun 22;95:297–306. doi: 10.1016/j.actbio.2019.06.030

Fig. 3.

Fig. 3

Effect of superficial tangential zone on articular cartilage mechanical behavior A) Osteochondral plugs isolated from porcine knee joints before (intact) and after superficial tangential zone removal (w/o STZ). Safranin-O stain displays an increase in GAG content with cartilage depth. Comparison of time-dependent mechanical properties of intact and w/o STZ cartilage samples under B) congruent and C) in-congruent type loading. *Indicates a significant difference, p = 0.05, and NS indicates nonsignificant difference, p > 0.25. p values within 0.05 and 0.25 are also considered significant and specific values are indicated.