Term
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Definition
Fungi growing as arthrospores on the surface or just below the cuticle of the hair shaft |
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Term
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Definition
Fungi that invade the hair shaft and grow as arthrospores within the hair shaft |
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Term
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Definition
Severe infection in which scutula (disk or saucer-like crust) develop in the surface of the scalp |
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Term
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Definition
Condition in which fungal elements form a hard, waxy body on the shaft of the hair |
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Term
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Definition
Any superficial or ringworm infection of the skin, hair, and nails.
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Term
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Definition
Athletes foot
Epidermophyton floccosum
Trichophyton mentagrophytes
Trichophyton rubrum |
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Term
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Definition
infection of the nails
Trichophyton rubrum
Epidermophyton floccosum |
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Term
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Definition
Infection of the smooth skin of the body - usually the trunk
Microsporum and Trichophyton
Usually T. rubrum and T. mentagrophytes |
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Term
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Definition
Barber's itch
infection of the bearded area of the face and neck
Trichophyton mentagrophytes
T. verrucosum
T. rubrum
Microsporum canis |
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Term
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Definition
Ringworm of the scalp
Ectothrix: M. audouinii (epidemic anthropophilic) M. canis, M. gypseum (zoophilic)
T. rubrum, T. mentagrophytes, T. verrucosum
Endothrix: T. tonsurans, T. violaceum, T. schoenleinii |
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Term
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Definition
| Infection of the groin or perianal area |
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Term
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Definition
| Asymptomatic formation of scales on the trunk |
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Term
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Definition
| an infection that causes dark lesions on the soles of the feet |
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Term
Microsporum spp.
characteristics |
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Definition
many thick-walled and rough or spiny
multi-septate macroconidia.
Few microconidia
usually ectothrix
flouresces
attacks skin and hair |
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Term
Trichophyton spp.
characteristics |
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Definition
Few thin walled, elongated, and smooth macroconidia
Abundant microconidia
Hair skin or nail infections
ectothrix or endothrix |
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Term
Epidermophyton spp
characteristics
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Definition
Many smooth walled thick macroconidia
2-6 septations - 'beaver-tail'
No microconidia
Skin and nail infections |
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Term
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Definition
Microsporum canis
dermatophyte
zoophilic ringworm of the scalp
Macroconidia with up to 15 septations
Breakaway cell with which the macroconidia is attached to conidiophore |
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Term
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Definition
Microsporum audouinii
dermatophyte
epidemic ringworm of the scalp
antropophilic
usually no macroconidia or microconidia
vegetative forms - chlamydospores, favic chandeliers, raquet hypae |
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Term
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Definition
Microsporum canis
Rapid growth
White with bright yellow to orange apron
Reverse is yellow |
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Term
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Definition
Microsporum canis var. distortum
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Term
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Definition
Microsporum canis var. distortum
distorted macroconidia |
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Term
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Definition
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Term
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Definition
Microsporum gypseum
dermatophyte
geophilic
transmitted through contact with animals carrying it on hides or fur |
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Term
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Definition
Microsporum nanum
Turns cinnamon with age
Brown to red reverse |
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Term
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Definition
Microsporum nanum
dermatophyte
only 2 septations
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Term
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Definition
Trichophyton mentagrophytes
Two colony types:
Granular
Smooth |
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Term
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Definition
Trichophyton mentagrophytes
dermatophyte
positive hair baiting/hair penetration
positive urease test
does not produce red color on cornmeal agar
may produce spiral hyphae |
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Term
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Definition
Trichophyton mentagrophytes
Sprial hyphae
Seen more often with granular forms of T. mentagrophytes |
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Term
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Definition
Trichophyton rubrum
Fluffy
White to buff
Reverse red wine - both SDA and cornmeal agar
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Term
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Definition
Trichophyton rubrum
dermatophyte
urease negative
negative hair penetration
'birds on a wire' and sleevelike microconidia may be seen |
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Term
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Definition
Trichophyton verrucosum
Heaped folded
button-like
white |
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Term
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Definition
Trichophyton verrucosum
dermatophyte
may show 'rat-tail' macroconidia and chlamydospores |
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Term
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Definition
Tricophyton verrucosum
rat-tail
macroconidia |
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Term
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Definition
Trichophyton verrucosum
Chlamydospores |
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Term
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Definition
Trichophyton tonsurans
Velvety
White to tan
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Term
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Definition
Trichophyton tonsurans
Dermatophyte
"Black Dot" ringworm of the scalp - hair breaks off at follicle
Microconidia larger than other dermatophytes -
may have swollen balloon forms |
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Term
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Definition
Trichophyton schoenleinii
dermatophyte
causes favus
favic chandeliers |
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Term
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Definition
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Term
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Definition
Epidermophyton flocossum
Dermatophyte
most common cause of athlete's foot
No microconidia
club-shaped macroconidia in clusters |
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