Figure 5. A ratio of microscopic distribution of the collagenase. (A–C) The representative figures of the islet in relation to dye delivery: (A) dye did not reach the islet (unreached); (B) dye was on the surface of the islet but not inside (surface); (C) dye was inside the islet (inside). Magnification: × 400. Scale bars: 20 μm. (D) The percentage of islets of three classifications (unreached, surface, and inside) in both groups in the three parts of the pancreas. The DI group showed a significantly lower rate of ‘unreached’ islets and higher rate of ‘surface’ islets in all parts. The percentage of ‘inside’ islets was not statistically different; *p < 0.05.