Extracellular matrices for gastrointestinal surgery: Ex vivo testing and current applications

Figure 1 Scanning electron microscopy pictures of the stratum compactum surface (A) and the abluminal surface (B) of small-intestinal submucosa. Magnification × 500.

Figure 2 Scanning electron microscopy pictures of the surface structure of the samples with surface characteristics of the different original biomaterials. A: Porcine dermal matrix; B: Porcine pericardial matrix; C: Bovine pericardial matrix. Magnification × 500.

Figure 3 Scanning electron microscopy pictures of small-intestinal submucosa, porcine pericardial matrix and bovine pericardial matrix after 7 d of bile or pancreatic juice incubation. A: Small-intestinal submucosa (SIS) incubated in bile; B: SIS incubated in pancreatic juice; C: Porcine pericardial matrix (PPM) incubated in bile; D: PPM incubated in pancreatic juice; E: Bovine pericardial matrix (BPM) incubated in bile; F: BPM incubated in pancreatic juice.