F / col TEM of Mycobacterium tuberculosis
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F / col TEM of Mycobacterium tuberculosis
False-colour transmission electron micrograph (TEM) of a rod-like bacterium, Mycobacterium tuberculosis, the causative agent of tuberculosis in humans. This bacterium forms filamentous, branching structures, which are inhaled into the lungs to form a primary tubercle, an initial focus of infection; spread takes place via adjacent lymph nodes. This form is called pulmonary tuberculosis or consumption & phthisis (wasting). Many people are infected without showing symptoms, whilst the bodys immune system holds the disease in check. They remain carriers, transmitting the bacilli by coughing or sneezing. Magnification: x18, 000 at 35mm size, x36, 000 at 6x7cm size
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6285042
© CNRI/SCIENCE PHOTO LIBRARY
Bacteria Bacterial Bacteriology Bacterium Consumption Electron Micrograph Infect Micro Organisms Microbe Microbes Mycobacterium Tuberculosis Pulmonary Tuberculosis Transmission Tuberculosis Micro Biology
EDITORS COMMENTS
This print showcases a false-colour transmission electron micrograph (TEM) of Mycobacterium tuberculosis, the notorious bacterium responsible for causing tuberculosis in humans. The image reveals the rod-like structure of this bacterium, which forms filamentous and branching shapes. When inhaled into the lungs, these structures create primary tubercles - initial sites of infection. From there, the disease spreads through adjacent lymph nodes. Pulmonary tuberculosis or consumption & phthisis (wasting) are terms used to describe this form of tuberculosis. Interestingly, many individuals can be infected without displaying any symptoms as their immune systems successfully suppress the disease. These carriers unknowingly transmit the bacilli by coughing or sneezing. The magnification level at 35mm size is an impressive x18,000 and increases to x36,000 at 6x7cm size. This detailed view allows us to appreciate the intricate world of bacteria on a microscopic scale. This photograph serves as a reminder that despite its small size, Mycobacterium tuberculosis has had a significant impact on human health throughout history. It highlights both the complexity and resilience of these microbes while emphasizing our ongoing efforts to understand and combat infectious diseases like tuberculosis.
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