JOHN DURHAM / SCIENCE PHOTO LIBRARY. JOHN DURHAM / SCIENCE PHOTO LIBRARY.
Light micrograph showing nodular hyphae of the dermatophyte fungus, Microsporum canis. The nodules (swellings) along the length of the hyphae at centre are packed with food reserves and eventually develop into reproductive structures called chlamydospores. Dispersal of chlamydospores is believed to be by disintegration of the intervening hyphae. M. canis is the most common cause of ringworm of the scalp in Europeans & mainly affects children. The disease originates from an infected cat or dog and is treated with topical fungicides or oral griseofulvin. Magnification: X 100 at 35mm size.
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