ANTONIA REEVE / SCIENCE PHOTO LIBRARY ANTONIA REEVE / SCIENCE PHOTO LIBRARY
Heart surgery. Male patient's heart with a vein (red arch) that was grafted on during coronary artery bypass surgery. The vein is bypassing a narrowed or blocked coronary artery. The coronary arteries supply the heart muscle with oxygenated blood. Photographed at The Royal Infirmary, Edinburgh, Scotland.
Model release not required. Property release not required.