ID#: 15762
At a very high magnification of 90,000X, this transmission electron microscopic (TEM) image revealed some of the ultrastructural morphology exhibited by numbers of Legionella pneumophila bacteria, which had been grown on a bacteriologic medium. This specimen was prepared using the osmium fixation method. Of importance, is that these organisms are encased in a double envelope consisting of inner and outer, trilaminar, unit membranes. Also, note that there are vacuoles present within some of the bacteria. L. pneumophila is responsible for causing the pneumonic disease known as Legionnaires’ disease.
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Content Provider(s): CDC/ Dr. Francis Chandler
Creation Date: 1978
Photo Credit:
CDC Organization
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.