Figure 1From: Protective effects of total fraction of avocado/soybean unsaponifiables on the structural changes in experimental dog osteoarthritis: inhibition of nitric oxide synthase and matrix metalloproteinase-13Macroscopic appearance of osteoarthritic articular cartilage from femoral condyles and tibial plateaus. Representative pictures of placebo-treated and ASU-treated dogs at 8 weeks after surgery, showing erosion and pitting (circled). A, anterior; L, lateral; M, medial; P, posterior.Back to article page