SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Infarcted left ventricle: light micrograph of a section through the ventricles of a whole human heart, showing an area of infarction (muscle necrosis or death) on the outer wall of the left ventricle. The smaller right ventricle appears at left, with the larger left ventricle to the right. Healthy myocardium (heart muscle) stains a light pink, with an even pattern througout the full thickness of the wall (see the top of the left ventricle, for example). Infarcted muscle stains a brighter red, or in some parts, blue, occupying a significant part of the outer wall of the left ventricle. Magnification: x1 at 3x5- inch original size.
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