Figure 5.

Even small islets of pancreas from donor H0021 show blood vessels, here visualized by immunostaining for smooth muscle actin and CD34 (blue), coursing into clumps of β-cells (red) with no glucagon cells (green) nearby. Scale, 20 µm.

Even small islets of pancreas from donor H0021 show blood vessels, here visualized by immunostaining for smooth muscle actin and CD34 (blue), coursing into clumps of β-cells (red) with no glucagon cells (green) nearby. Scale, 20 µm.