Tuberculosis bacterium

Tuberculosis bacterium

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Caption: Tuberculosis bacterium. Coloured transmission electron micrograph (TEM) of a section through a Mycobacterium tuberculosis bacterium, the cause of human tuberculosis (consumption). This Gram- positive rod-shaped bacterium is undergoing cell division. If this bacterium reaches the lungs from a cough or sneeze it will multiply to form a primary tubercle (localised bacterial colony). The bacteria then either spread through the lymphatic system to other parts of the body, which can be fatal, or lie dormant, only becoming active again many years later. Treatment is with antibiotics. This is strain H37Rv. Negatively stained. Magnification: x30,000 at 6x9cm size.

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Keywords: bacteria, bacterial, bacteriology, bacterium, cause, causing, cell division, coloured, consumption, disease, dividing, electron micrograph, h37rv, medical, medicine, micro-organism, micro-organisms, microbe, microbes, microbiology, mitosis, mycobacterium tuberculosis, pathogen, pathogenic, pulmonary, reproduction, tem, transmission

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