Term
| Blastomyces dermatitidis in tissue |
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Definition
| thick walled yeast with broad based budding |
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Term
| Coccoidiodes immitis in tissue |
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Definition
| non-budding, thick walled spherule which contains non- budding endospores |
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Term
| Histoplasma capsulatum in tissue |
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Definition
| small yeast seen in bone marrow |
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Term
| Paracoccidiodes brasiliensis in tissue |
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Definition
| large, oval budding yeast |
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Term
| Sporothrix schenkii in tissue |
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Definition
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Term
| Penicillium marneffei in tissue |
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Definition
| small yeast, non-budding with cross walls |
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Term
| Blastomyces dermatitidis as mold |
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Definition
| front is white to brown, reverse is tan, septate hyphae with pear shaped conidia |
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Term
| Coccoidiodes immitis as mold |
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Definition
| front is white to brown, reverse is white/gray, septate branched hyphae with barrel shaped arthroconidia alternating with empty cells |
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Term
| Histoplasma capsulatum as mold |
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Definition
| front is pink/white, reverse is white to orange/yellow, septate hyphae with pear-shaped tuberculate macroconidia |
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Term
| Paracoccidiodes brasiliensis as mold |
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Definition
| front is white, glabrous, heaped and brown, septate hyphae with intercalary and terminal chlamydospores and microconidia |
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|
Term
| Sporothrix schenkii as mold |
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Definition
| cigar-wrinkled, tan, black, thin septate hyphae with delicate roses |
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Term
| Penicillium marneffei as mold |
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Definition
| reddish brown with a blue center, reverse is red |
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|
Term
| List 4 species of Trichophyton |
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Definition
| Trichophyton mentagrophytes, Trichophyton rubrum, Trichophyton tonsurans, and Trichophyton schoenleini |
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|
Term
| Characteristic of all Trichophyton |
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Definition
| all dermatophytes with septate hyphae, thin-walled, smooth macroconidia and numerous microconidia |
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|
Term
| Trichophyton mentagrophytes morphologic characteristics |
|
Definition
| coiled spirals, cigar macroconidia, and round microconidia on branched conidiophores |
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|
Term
| Trichophyton rubrum morphologic characteristics |
|
Definition
| small tear drop microconidia borne laterally on hyphae |
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|
Term
| Trichophyton tonsurans morphologic characteristics |
|
Definition
| - spirals and arthroconidia, balloon microconidia |
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|
Term
| Trichophyton schoenleini morphologic characteristics |
|
Definition
| antler-like branches, numerous chlamydioconidia |
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Term
|
Definition
| Microsporum audouinii, Microsporum canis, Microsporum gypseum |
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Term
| characteristic of Microsporum |
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Definition
| - all dermatophytes with septate hyphae and thick-walled tough macroconidia |
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Term
| Microsporum audouinii morphologic characteristics |
|
Definition
| pointed terminal chlamyoconidia, pectinate hyphae, poorly shaped macroconidia |
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|
Term
| Microsporum canis morphologic characteristics |
|
Definition
| - spindle-shaped macroconidia, knob like ends, club shaped sparse microconidia |
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|
Term
| Microsporum gypseum morphologic characteristics |
|
Definition
| numerous, rough macroconidia with round ends and thin walls with > 6 walls |
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|
Term
| Epidermophyton floccosum morphologic characteristics |
|
Definition
| thin and thick walled, smooth macroconidia, no microconidia, club shaped macroconidia thin and thin in clusters |
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Term
|
Definition
| conidiophores branch into a brush |
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Term
|
Definition
| short and simple conidiophores with annellides that bear conidia which are thick walled, lemon shaped and cut off at base |
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Term
|
Definition
| delicate septate hyphae with erect phialides, oblong conidia in clusters at the tip of the phialides |
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Term
|
Definition
| phialides are elongated and taper into tenpins which bend away from the conidiophore, elliptical conidia in unbranched chains |
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Term
|
Definition
| conidiophores with brush-like phialides, conidia do not chain, they clump into clusters |
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Term
|
Definition
| short and branched conidiophores, with flask-shaped phialides and round cell conidia clustered at the end of the phialides |
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Term
|
Definition
| (1) short conidiophores with 1-2 cell conidia in clusters or (2) branched/unbranched conidiophores bearing large sickle shaped multiseptate macroconidia |
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|
Term
|
Definition
| dematiacious mold with dark hyphae, septated conidiophores that zigzag, brown, club-shaped conidia with transverse AND longitudinal septa |
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Term
|
Definition
| dematiacious mold, slow growing, brown, branched, septate phialides, vase-shaped with flared cup-like collerette, round-oval conidia that accumulate at apex of the phialides |
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Term
|
Definition
| dematiacious mold with bent conidiophores, brown, thick, walled, oblong conidia with cylindrical septations and protruding hilum |
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|
Term
|
Definition
| dematiacious mold, slow growing, yeast-like budding cells, septate hyphae with slender annellides that taper, oval conidia that cluster along the sides of the annellides |
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|
Term
|
Definition
| dematiacious mold with branched conidiophores with 2 branching single celled conidia, brown, oval, dark with dark hila |
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|
Term
|
Definition
| dematiacious mold with bent conidiophores, 4 chambers in conidia with dark cell center and bent/curved conidia with age |
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Term
|
Definition
| conidiophores are short and smooth, terminate in swollen vesicle with uniseriate phialides on 2/3 upper portion of the vesicle which is parallel to the axis of the conidiophore |
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Term
|
Definition
| conidiophores are rough, variable length, pitted and spiny, terminate in swollen vesicle with biserate phialides that cover the entire vesicle and radiate from head with black conidia |
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Term
|
Definition
| dematiacious mold with bent conidiophores, brown, long, thick walled conidia with 7-11 septations, conspicuous spare hilum |
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|
Term
|
Definition
| septate hyaline molds with single conidia, conidiophores with oval, truncated conidia |
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|
Term
|
Definition
| cleistothecium is large, round and closed, dematiacious mold |
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|
Term
|
Definition
| a cell that produces and extrudes conidia; tapers and lengthens with each condidum |
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Term
|
Definition
| a cell that produces and extrudes conidia; does not taper or lengthen with each condidum |
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|
Term
|
Definition
| thick-walled big resting spore of several kinds of fungi. It is the life-stage which survives in unfavourable conditions, such as dry or hot seasons. |
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Term
|
Definition
| An asexual spore formed by the breaking of hyphae at the point of septation |
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Term
|
Definition
| a filamentous structure of fungi that extends into the substrate |
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Term
|
Definition
| sexually produced fungal spore formed within an ascus |
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|
Term
|
Definition
| A small pore through which spores are discharged |
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Term
|
Definition
| tubelike process, produced by germinating spore that develops into mycelium |
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Term
|
Definition
| : A chain of easily disrupted fungal cells that is intermediate between a chain of budding cells and a true hypha, marked by constrictions rather than septa at the junctions. |
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Term
|
Definition
| a closed sac-like structure in which asexual spores are formed by cleavage |
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|
Term
|
Definition
| fungi with both a mold phase and a yeast phase |
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Term
|
Definition
| presence of pigmentation in fungal hyphae or spores |
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|
Term
|
Definition
| a fungus parasitic on skin, hair, or nails |
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|
Term
| Characteristics of Chromoblastomycosis |
|
Definition
| : localized cutaneous or subcutaneous infection, tissue has rounded and sclerotic bodies (copper pennies) |
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Term
| Organisms associated with Chromoblastomycosis |
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Definition
|
|
Term
| Characteristics of Phaeohyphomycosis |
|
Definition
| cutaneous, subcutaneous or systemic, tissue is dark, with yeast-like cells with pseudo-hyphae-like elements |
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|
Term
| Organisms associated with Phaeohyphomycosis |
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Definition
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|
Term
| Characteristics of Mycetoma |
|
Definition
| seen on hands and feet, chronic infection, tumor-like lesions, granular pass (mass of mycelia) |
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|
Term
| Organisms associated with Mycetoma |
|
Definition
| Pseudoallescheria boydii, Acremonium spp. (white grain), Exophiala jeanselmei, Curvularia, and Madurella mycetomatis (black grain) |
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|
Term
| Characteristics of Mucormycosis |
|
Definition
vascular invasion, rapid thrombosis and necrosis of tissue
Organisms associated with Mucormycosis: Mucor spp.- zygomycetes |
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|
Term
|
Definition
| Identification of C. albicans within 3 hours via presence of germ-tubes (positive) |
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|
Term
|
Definition
| C. neoformans can produce phenol oxidase. Phenol oxidase can be reacted with phenylalanine and ferric citrate to oxidase diphenol to melanin which produces a brown/black color, C. albicans is negative |
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Term
|
Definition
| used on respiratory specimens, rapid detection of C. neoformans (+) because this species can hydrolyze urea (using urease) to ammonia and carbon dioxide, which changes the indicator from yellow to pink, C. albicans will be negative |
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Term
|
Definition
| germ tube positive, most frequently isolated etiologic agent, |
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Term
|
Definition
| germ tube negative, blastoconidia off of pseudohyphae, sometimes seen at septa |
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|
Term
|
Definition
| germ tube negative, tiny, budding yeast, no pseudohyphae |
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|
Term
|
Definition
| Urease positive, Phenol oxidase positive, lives in pigeon dropping, can cause meningitis, has a polysaccharide capsule, and on cornmeal produces blastoconidia only |
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|
Term
|
Definition
| causes opportunistic endocarditis and fungemia, salmon colored and has a capsule, urease + |
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|
Term
| What is the family/group of molds that produce aseptate hyphae? |
|
Definition
| Zygomycetes produce aseptate hyphae |
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|
Term
|
Definition
| Rhizopus, Mucor and Absidia |
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