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56 Cards in this Set

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What are dematiceous fungi?
Fungi with brown to black cell walls; best viewed macroscopically.
What are the 10 dematiceuos fungi?
C NEW FAD CUP
what is C NEW FAD CUP?
Cladosporium
Ngrospora/Exophiala/Wangiella
Fonsecaea/Altrnria/Drechslera
Curvularia/Ulocladium/Phialophora
What term describes spiny projections on spores?
Echinulate
What mold exhibits echinulate spores?
Microsporum - Echinulate macroconidia.
What does Clavate mean?
what mold exhibits this?
club-shaped - Epidermophyton
What does Sessile describe?
Spores forming along hyphae instead of in the sporangium.
What are Annelloconidia?
What 2 molds have them?
-Sporulation from annellides.
-Scopulariopsis
-Exophiala
What 3 molds have poroconidia?
Curvularia
Alternaria
Drechslera
What does poroconidia mean?
Conidia are coming out of pores instead of budding.
What is an ascospore?
A spore produced by sexual mating.
What 3 molds have ascospores?
-Saccharomyces
-Aspergillus glaucus
-Pseudoallescheria boydii
What is a structure that contains ascospores called?
Cleistothecium
What does intercalcary refer to?
Chlamydoconidia within a hypha.
What term refers to septations within hyphae that broaden at one end?
Racquet hyphae.
What's the term for ANTLER hyphae? What mold has it?
Favic chandeliers
-Trichophyton schoenleinii
What is pectinate hyphae?
Comb=like; has waves.
Dematiceous mold
WHAT IS IT?
echinulate macroconidia - microsporon
WHAT IS IT?
clavate
epidermophyton
WHAT IS IT?
clavate
epidermophyton
WHAT IS IT?
anelloconidia
-Scopulariopsis
-Exophiala
WHAT IS IT?
Poroconidia
-Curvularia
-Alternaria
-Drechslera
WHAT IS IT?
Poroconidia
-Curvularia
-Alternaria
-Drechslera
WHAT IS IT?
anelloconidia
-Scopulariopsis
-Exophiala
WHAT IS IT?
intercalcary
WHAT IS IT?
racquet hyphae
WHAT IS IT?
favic chandeliers
-Trichophyton schoenleinii
WHAT IS IT?
pectinate
WHAT IS IT?
Into what 5 categories are molds classified?
1. Zygomycetes/phycomycetes
2. Ascomycetes
3. Basidiomycetes
4. Deuteromycetes
5. Actinomycetes
What are the Zygomycetes?
Molds with aseptate hyphae and sporangiospores.
-Rhizopus, mucor, absidia.
What are the Ascomycetes?
Molds with sexual ascospores
-Saccharomyces,
-Pseudoallescheria
-Aspergillus
What are the basidiomycetes?
Molds of no medical importance.
What are the deuteromycetes?
Imperfect (asexual) fungi
-Most important medically.
What are the actinomycetes?
Fungus-like bacteria.
What are the 5 actinomycetes?
SANNA
What does SANNA stand for?
Streptomyces
Actinomyces
Nocardia
Nocardiopsis
Actinomadura
What are the 4 media types used for growing molds?
1. SABdex
2. BHI
3. Antibiotic additive BHI
4. Potato dextrose
What is SABdex?
An agar with acidic ph to inhibit bacterial growth
What is BHI?
just enriched
What 2 antibiotcs are added; what are their actions?
Chloramphenicol - discourages bacterial growth.
Cycloheximide - discourages fungal contaminants
What are 2 brands of antibiotic agars?
-Mycosel
-Mycobiotic
What is Potato dextrose agar used for?
a SECONDARY media, for better sporulation and identification.
What are the incubation conditions necessary to grow molds?
1. Temp; for yeast, 37'. for molds, 25-30.
2. Time; 2-4 weeks before calling negative.
3. Humidity; molds love it!
What are 4 general, common wet preps/stains for molds?
1. LPCB
2. KOH
3. Gram
4. Acid fast
What is a KOH prep for?
Breaking down keratin in skin, nails, and hair.
What does an Acid fast stain allow us to see?
Nocardia
Ascospores
What are 3 tissue stains for molds?
1. Gomori methenamine silver
2. PAS
3. Hematoxylin and eosin
what is a fungal flourescent stain?
Calcofluor
What fungus is Wright's stain used to identify?
Histoplasma capsulatum.
What are 3 types of microscope slide preps, and what is the best?
1. Tease prep
2. Scotch tape
3. Slide - best
What is another method for ID of molds?
Latex agglutination
What are some common antifungals?
Same as yeasts; Amphotericin B, "azoles",
What is the treatment for Sporothrix?
Potassium Iodide
How are actinomycetes traeted?
with ANTIBIOTICS
What type of mold would Lamasil be prescribed for?
Dermatophyte