E. GUEHO / SCIENCE PHOTO LIBRARY E. GUEHO / SCIENCE PHOTO LIBRARY
False-colour scanning electron micrograph (SEM) of the fungus Microsporum canis, a common cause of tinea capitus or ringworm of the scalp. Here, fungal threads of the vegetative mycelium, called hyphae, are seen (purple), with a spore-producing fruiting body (at centre). This is a dermatophyte fungi causing skin infections; it is spread to humans from an infected cat or dog by contact with the fungal spores. Microsporum canis inhabits the skin of the scalp giving rise to round, scaly lesions and producing itchy patches of hair loss, mainly in children, and sometimes in adult women. Treatment is with antifungal drugs. Magnification: x285 at 6x7cm size.
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