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. Author manuscript; available in PMC: 2012 Sep 1.
Published in final edited form as: Osteoarthritis Cartilage. 2011 Jun 1;19(9):1132–1141. doi: 10.1016/j.joca.2011.05.008

Fig. 2.

Fig. 2

Histological assessment of meniscus integrity: (A, B) Normal meniscus: The meniscus surface is smooth, no fraying or surface fibrillation, score 0. (C, D) Mild changes: The meniscus surface shows slight fibrillation or undulation, score 1. (E, F) Moderate fibrillation, fraying and/or undulation, some clefts are present, score 2. (G, H) The meniscus shows severe fraying and tears, severe disruption, score 3. Safranin O - Fast Green, 4x.

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