ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Left coronary artery network. Coloured coronarography (contrast medium X-ray) scan of the healthy left coronary artery network of a 54-year-old woman's heart. Coronary arteries supply the heart muscle with blood, and narrowing and blockages in these arteries can lead to a heart attack. This frontal view shows the whole of the anterior interventricular branch.
Model release not required. Property release not required.