Figure 3From: Fabrication and properties of acellular porcine anulus fibrosus for tissue engineering in spine surgeryFresh and decellularized anulus fibrosus (AF) stained with alcian blue. (A) Fresh AF stained with alcian blue, Ă—40 magnification. (B) Decellularized AF stained with alcian blue, Ă—40 magnification.Back to article page