DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Coloured scanning electron micrograph (SEM) of Syncephalastrum racemosum, a filamentous fungus that causes human pathogen. It can cause nail disease (especially in damaged nails) along with other human diseases such as: zygomycosis, cutaneous infections and otomycosis. The genus Syncephalastrum is commonly isolated from soil and animal faeces, especially in tropical and subtropical areas. It differs from Aspergillus fungi by the presence of merosporangia and absence of phialides. Around the vesicle are the merosporangia filled with chains of sporangiospores (seen in this image). S racemosum is common but comprises a small proportion of the fungal biota. It thought to be one of the most primitive of the terrestrial fungi. Magnification: x105 when shortest axis printed at 25 millimetres.
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