Dimorphic Systemic Fungi
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16 terms
Terms | Definitions |
|---|---|
 Dimorphics | Histo, Blasto, and Cocci, mold at room temp and yeast at 37 |
| Histoplasma Capsulatum what type of cultures?? | Bone marrow, respiratory specimen, blood cultures |
| Histo Geographical | Ohio and Mississippi |
| How long does Histo take to grow | 10-14 days |
| Appearance in Tissues | 2-4 microns, INTRACELLULAR in macrophages, smaller than Blasto |
| Type of Media | fungal media with cycloheximide, which enhances |
| Must be differentiated from? | Sepedonium which is not dimorphic |
| BLASTOMYCES description | 8-15 double walled, no macroconidia |
| BLASTO culture from | sinuses, drainage |
| BLAST at 37? at RT? | 37 it is rounded (cotton seed) and RT it looks like lollipops |
| Media | cotton seed agar; converts Blasto |
| COCCIDIOIDES IMMITIS grows? | in 5 days |
| Causes? | San Juoquin Valley Fever or Desert Valley Fever |
| Appearance in tissue | SPHERULE (37) |
| Colony morphology | barrel-shaped arthroconidia |
| arthroconidia | hyphae fragments- reproductive cells (sporolates); highly infectious |
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