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110 Cards in this Set
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Basic structural unit of fungi |
Hypha |
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Fungi are also classified as |
Thallophytes |
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Heterotropic members of the plant family that lack stems and roots |
Fungi |
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Multicellular phase, cottony, mycelial mass |
Mold phase |
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Unicellular phase, creamy, resembling bacterial colony |
Yeast phase |
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Fungi that stays in mold phase at 25 & 37 degrees celcius |
Monomorphic |
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Fungi in mold phase at 25 & 37 degrees celcius, and yeast phase in tissue |
Diphasic |
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Fungi in mold phase at 25 degrees celcius and becomes yeast at 37 degrees celcius or when in tissue |
Dimorphic |
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An intertwining structure composed of hyphae |
Mycelium |
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Hyphae having no cross-walls or divisions |
Aseptate hyphae |
Also known as coenocytic hyphae |
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Hyphae having cross-walls or divisions |
Septate hyphae |
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Vegetative portion of the mycelium |
Thallus |
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Reproductive part of the mycelium containing the fruiting bodies |
Aerial |
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Spores enclosed in ascus |
Ascospores |
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Spores formed by the fusion of two identical cells from the same hypha |
Zygospores |
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Spores formed by the fusion of two identical cells from different hyphae |
Oospores |
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Spores enclosed in club-shaped basidium |
Basidiospores |
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Spores arising from the side of hyphae |
Conidia |
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Small, unicellular conidia |
Microconidia |
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Large, multicellular conidia |
Macroconidia |
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Conidia from simple budding |
Bastoconidia |
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Thick-walled spores formed during unfavorable environmental conditions |
Chlamydoconidia |
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3 types of chlamydoconidia |
Terminal Intercalary Sessile |
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Formed from the fragmentation of mycelium; rectangular or barrel shaped |
Arthroconidia |
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Mycosis in which there is no cellular response by the host |
Superficial mycoses |
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Uneven pigmentation of the skin caused by M furfur |
Ptyriasis or Tinea vesicolor |
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Morphology of M furfur |
"Spaghetti and meatballs" |
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Brown-black cross outside hairshaft |
Black piedra |
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Causes black piedra |
Piedraia hostae |
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Light brown nodules on beard |
White piedra |
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Causes white piedra |
Trichosporon beigelii |
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Also known as dermatomycoses |
Cutaneous mycoses |
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3 keratinized tissues |
Skin Hair Nails |
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Caused by dermatophytes |
Tinea or ringworm |
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Anthrophilic microsporum (infects man) |
Microsporum audouinii |
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Colonizes skin and hair |
Microsporum |
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Tinea capitis is seen in |
Scalp |
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Tinea barbae is seen in |
Beard |
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Tinea corpuris is seen in |
Body |
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Tinea cruris is seen in |
Groin |
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Infection of the groin caused by Tinea cruris |
Jock's itch |
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Tinea ungmium is seen in |
Nails |
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Tinea pedis is seen in |
Feet |
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Manifestation of Tinea pedis |
Athlete's foot |
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Dermatophyte having no microconidia |
Epidermophyton |
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Dermatophyte which colonizes skin, hair and nails |
Trichophyton |
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Indicator for Dermatophyte test medium (DTM) |
Phenol red |
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Large spindle shaped rough macroconidia, curved terminal ends, and positive for rice medium |
M canis |
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M canis produce what color fluorescence of ectothrix hairs |
Green-yellow |
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M audouinii produce what color fluorescence of ectothrix hairs |
Apple green |
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Pencil shaped macroconidia, tear shaped microconidia, urease negative, hair baiting negative |
T rubrum |
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V-shaped penetration of hairshaft, spherical grape-like clusters-microconidia |
T mentagrophytes |
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"Balloon" form |
T tonsurans |
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"Rat tail" macroconidia |
T verrucosum |
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Favus type of Tinea capitis, "favic chandeliers" |
T schoenleinii |
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Swollen hyphae containing cytoplasmic granules |
T violaceum |
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Dark, slow-growing fungi |
Dematiaceous fungi |
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Also known as mixed sporulation |
Fonsecaea |
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Conidia in side |
Acrotheca |
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Conidia in chain |
Cladosporium |
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Conidia in cluster |
Phialophora |
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Granulomatous tumor of subcutaneous tissue |
Mycetoma |
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2 fungus-like bacteria |
Nocardia Actinomyces |
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Most common cause of mycetoma |
Pseudoallescheria boydii |
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Rare condition caused by dematiaceous saprobes |
Phaeohyphomycosis |
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"Rose garden's disease" is also known as |
Sporotrichosis |
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Causes sporotrichosis |
Sporothrix schenckii |
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Appearance of S schenckii conidia in room temperature |
"Flowerette" conidia |
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Concentric radiating eosinophilic material caused by antigen-antibody reaction |
Asteroid bodies |
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Also known as Gilchrist's disease |
North American Blastomycosis |
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Causative agent of North American Blastomycosis |
Blastomyces dermatitidis |
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Appearance of B dermatitidis conidia in room temperature |
"Lollipop" conidia |
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Exoantigen test for B dermatitidis |
Specific A band |
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Causative agent of South American Blastomycosis |
Paracoccidioides brasiliensis |
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Causative agent of Darling's disease |
Histoplasma capsulatum |
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Tuberculate macroconidia, no microconidia, monomorphic fungi |
Sepedonium |
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Exoantigen test for Histoplasma capsulatum |
H and/or M bands |
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Also known as desert fever |
San Joaquin Valley fever |
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Causative agent of san Joaquin Valley fever |
Coccidioides immitis |
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Major biological hazard to lab personel |
Coccidioides immitis |
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Appearance of Coccidioides immitis at 37 degrees celcius |
Spherule filled with endospores |
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Causative agent of trush and vulvovaginitis, positive for germ tube formation |
Candida albicans |
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Causative agent of torulosis or torulopsis, appear as encapsulated yeast cell in bird and bat droppings |
Cryptococcus neoformans |
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Also known as nigrosine stain |
India ink stain |
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Test for cryptococcal antigen in CSF |
Latex agglutination test |
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Used to dissolve keratin |
10% KOH mount |
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Color of positive hyphae in Periodic Acid Schiff (PAS) |
Purplish-red |
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Gram stain modification used for fungi |
Hucker modification |
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All fungi are gram |
Positive |
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Culture for fungi with acidic pH as inhibitor for bacteria |
Sabouraud dextrose agar (SDA) |
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Mycosel or Mycobiotic contains what 2 inhibitors |
Chloramphenicol (for bacteria) Cycloheximide (for saprophytic fungi) |
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Culture media used to differentiate T rubrum from T metagrophytes |
Cornmeal agar |
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Culture media for aspergilus |
Czapek's agar |
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Aspergilus causes |
"Farmer's lungs" |
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C neoformans on Staib's medium produces what color of colonies |
Brown-black colonies |
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Staib's medium is also known as |
Birdseed or Nigerseed medium |
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Cottonseed medium is used for |
B dermatitidis |
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Positive for rice medium |
M canis |
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Incubation temperature of fungal cultures |
25-30 degrees celcius (room temperature) Optimum at 30 degrees celcius |
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Fungal cultures are held for how many days |
30 days |
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Positive for L-DOPA ferric citrate test |
Cryptococcus neoformans |
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QC for urease test |
C neoformans (positive) C albicans (negative) |
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2 organisms that produce red colonies on SDA |
T rubrum T mentagrophytes |
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QC for hair baiting test |
T mentagrophytes T rubrum |
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Serologic confirmation test for systemic fungi |
Exoantigen test |
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Biosafety level of organisms not harmful to healthy individuals |
Biosafety level 1 |
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Biosafety level of common agents of infectious disease including HIV |
Biosafety level 2 |
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Organisms classified as Biosafety level 3 |
MTB Systemic fungi Organisms grown in large quantities F tularensis Brucella species |
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Viruses classified as Biosafety level 4 |
Arenavirus Arbovirus Filovirus (Ebola) Smallpox |
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What year was smallpox eradicated from the world? |
1979 |
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