Dimorphic fungus

Histoplasma capsulatum – a dimorphic fungus

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Fungi which exist in 2 separate morphological forms depending of environmental temperature
- Yeast form within the body or in cultures at 37C
- in the soil or in cultures at 22C
Many fungi causing systemic infections are dimorphic fungi

Examples of dimorphic fungi:

Histoplasma capsulatum
Sporothrix schenckii
Blastomyces dermatitidis
Coccidioides immitis

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Histoplasma capsulatum – a dimorphic fungus

(Click on the image to view an enlarged version)

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