Figure 4From: Intrinsic differentiation potential of adolescent human tendon tissue: an in-vitro cell differentiation studyImmunohistochemical staining for collagen type 2 on tendon-derived fibroblasts. 5% of the cells cultured for 21 days in alginate beads in chondrogenic medium stained positive (A). Cells cultured in monolayer in control medium remained negative (B) as did cells in adipogenic or osteogenic media (figures not shown).Back to article page