general_pathology:infectious:infectious_diseases_129
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What feature might distinguishes Mucormycotina from Aspergillus sp?
”Explanation”
| Fungus | Hyphae Width | Branching | Septae | Pigment | Parallel walls | Comments |
|---|---|---|---|---|---|---|
| Candida sp. | 3-5μm | Can appear so | Yes | No | No - these are incompletely separated yeast | Can be challenging to differentiate from actual hyphae |
| Aspergillus, Fusarium, Trichoderma sp. | 5-10 μm | Acute angle | Yes | No - hyaline (not pigmented) | Yes | Mucormycotina can sometimes have this morphology |
| Mucormycotina | 6-50 μm | Right-angled | Pauciseptate | No - hyaline | Definitive separation from Aspergillus sp. requires further ID | |
| Phaeohyphomycosis (e.g. Exophiala, Exserohilium), and other pigmented moulds | Yes | Yes | Melanin | May have yeast-like structures present as well |
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