E. GUEHO / SCIENCE PHOTO LIBRARY E. GUEHO / SCIENCE PHOTO LIBRARY
False colour scanning electron micrograph (SEM) of a conidiophore of Aspergillus niger, a saprophytic fungus. The conidiophore is the swollen end of a hyphae (the fungal vegetative structure) from which radiate numerous sterigmata (short lengths of narrow hyphae) ending in short chains of spores. Species of Aspergillus are common saprophytic moulds - such as those seen on stored food. Some species cause a variety of diseases in humans, including: Otomycosis, a chronic fungal growth of the passage into the ear; allergic aspergillosis, a hypersensitive reaction provoked by repeated inhalation of aspergilli. Magnification: X 500 at 35mm size.
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