Rifampin-Releasing Triple-Layer Cross-Linked Fresh Water Fish Collagen Sponges as Wound Dressings

Figure 14

Sample from animal in group S (sandwich-structured collagen sponges). Detail of cells (arrows) penetrating between the structures of the scaffold in the adhesion zone of the sponge and the animal connective tissue (staining: Picrosirius red with Weigert’s resorcin-fuchsin).