Mycobacterium tuberculosis. False-colour TEM of the bacterium Mycobacterium tuberculosis (gold,elongated),the cause of tuberculosis (T. B. ) in humans,within a macrophage. M. tuberculosis is inhaled into the lungs as airborne droplets 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 (wasting). Phagocytosis (engulfment & digestion) by scavenging macrophages within the lung is part of the body's primary immune response. Magnification: x10,000 at 6x7cm size | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / CNRI |
Taille de l’image : | 3445 px × 2529 px |
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