E. GUEHO / SCIENCE PHOTO LIBRARY E. GUEHO / SCIENCE PHOTO LIBRARY
False-colour scanning electron micrograph (SEM) of the fungus Trichophyton mentagrophytes, causative agent of athlete's foot (Tinea pedis) and scalp ringworm (Tinea capitus). Here, among threads of the fungus, round single-celled spores are seen; and cylindrical multi-celled spore bodies (macro- conidia, at centre) which are an important identi- fication feature. Trichophyton mentagrophytes is of two varieties: interdigitale infects the feet; mentagrophytes inhabits skin of the scalp giving rise to round, scaly lesions and producing itchy patches of hair loss, mainly in children. Spores are the means of infection. Treated with anti- fungal agents. Magnification: x260 at 6x7cm size.
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