E. GUEHO / SCIENCE PHOTO LIBRARY E. GUEHO / SCIENCE PHOTO LIBRARY
False-colour scanning electron micrograph (SEM) of the fungus Aspergillus fumigatus, main causative agent of aspergillosis. Here, fungal threads of the vegetative mycelium have developed at their tips spore-producing fruiting bodies. This fungus is common in dust, soil, on plants and plant pro- ducts such as hay or grain. A.fumigatus can cause a number of different diseases in humans including allergic disorder, respiratory infection and inva- sive disease. Spores inhaled by people with weak lungs can lead to respiratory aspergillosis. This fungus may occasionally invade tissue spreading from the lungs to the brain, kidneys, liver and skin. Magnification: x130 at 6x7cm size.
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