Figure 2
From: Treatment with embryonic stem-like cells into osteochondral defects in sheep femoral condyles
Femur, sheep. Embryonic stem-like cells engraftment in the medial femoral condyle (ES) and empty defects (ED) at 1, 2 and 6 months from surgery. A-D) ED at 1 month from surgery. E-H) ES at 1 months from surgery. I-L) ED at 2 months from surgery. M-P) ES at 2 months from surgery. Q-T) ED at 6 months from surgery. U-X) ES at 6 months from surgery. A-E-I-M-Q-U) macroscopic appearance; B-J-N-R-V) histological sections, Azan-Mallory staining. 2X magnification; bar: 1 mm. F) Haematoxylin-eosin staining, C-G-K-O-S-W) Safranine-O staining. D-H-L-P-T-X) Collagen type II immunostaining.