Regeneration of Tracheal Tissue in Partial Defects Using Porcine Small Intestinal Submucosa

Figure 15

SIS group with immature cartilaginous tissue at the site of the tracheal defect, H&E (400x): (a) immature cartilaginous tissue (newly formed cartilage), (b) mature cartilaginous tissue, (c) connective tissue, and (d) blood vessels.