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Medical Mycology

The document summarizes the morphological classification of fungi into three main classes: filamentous molds, yeasts, and dimorphic fungi. Filamentous molds form a mass of branching and intertwining filaments called a mycelium, and reproduce asexually via spores. Yeasts are oval bodies that can reproduce by budding, resembling bacterial colonies. Dimorphic fungi exist in both a filamentous form and an oval yeast-like form, changing based on environmental conditions.

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Hairul Anuar
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625 views

Medical Mycology

The document summarizes the morphological classification of fungi into three main classes: filamentous molds, yeasts, and dimorphic fungi. Filamentous molds form a mass of branching and intertwining filaments called a mycelium, and reproduce asexually via spores. Yeasts are oval bodies that can reproduce by budding, resembling bacterial colonies. Dimorphic fungi exist in both a filamentous form and an oval yeast-like form, changing based on environmental conditions.

Uploaded by

Hairul Anuar
Copyright
© Attribution Non-Commercial (BY-NC)
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Medical mycology: Morphological classification of fungi

Class Structure Filamentous (molds) -Long branching filaments (hyphae) intertwine a mass of filaments (mycelium) -Some penetrate deeply into medium (vegetative) while some grow above the surface (aerial) -Asexual spores -Strongly adherent to medium and cannot be emulsified in water (does not resemble bacteria colonies) -The surface may be powdery, velvety, or cottony aerial mycelium -Present of pigmentation and underlying medium -Very susceptible to slight difference in cultural conditions as type and temperature of medium Yeast -Oval body Yeast-like -Long unbranching filaments + budding yeast-like cells (broad septate hyphae) intertwine pseudomycelium -Grouped together in genus Candida Dimorphic Fungi -Filamentous (saprophytic phase) -Oval body (parasites)

Characteristics

-Reproduces by budding (blastospores) -Resembles bacterial colonies in consistency -The only pathogenic yeast is Cryptococcus neoformans

-Eg: Histoplasmosis

Created by Qosru Iskandariah

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