P. FERGUSON, ISM / SCIENCE PHOTO LIBRARY P. FERGUSON, ISM / SCIENCE PHOTO LIBRARY
Bacterial heart infection. Coloured transmission electron micrograph (TEM) of a section through tissue from the heart's aortic valve, showing an infection of bacteria (blue). This is a condition called endocarditis. These are Staphylococcus aureus bacteria. The bacteria grow in vegetative growths on the inside of the heart. These growths protect the bacteria from immune system responses, so prolonged antibiotic drug therapy is required. Resistant bacteria and late diagnosis can lead to death from heart valve malfunctions and failures. Magnification unknown.
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