Blood vessels. Coloured scanning electron micrograph (SEM) of a resin cast of blood vessels supplying the stomach. This branching network of vessels infiltrates the tissue, supplying it with blood. Gases and nutrients are exchanged between the blood and surrounding tissue. The cast was made by injecting resin into the blood vessels. The surrounding tissue has been partially removed with chemicals. Magnification unknown.
Model release not required. Property release not required.