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Image of FIGURE 1

Dermatophyte hyphae in skin scraping. NaOH mount. Magnification, ×400. doi:10.1128/9781555817381.ch123.f1

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Image of FIGURE 2

, ectothrix type of hair invasion. Magnification, ×400. doi:10.1128/9781555817381.ch123.f2

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Image of FIGURE 3

, endothrix type of hair invasion. Magnification, ×1,000. doi:10.1128/9781555817381.ch123.f3

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Image of FIGURE 4

Hair infected by from a patient with favus. Magnification, ×1,000. doi:10.1128/9781555817381.ch123.f4

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Image of FIGURE 5

Smooth-walled macroconidia of . Magnification, ×400. doi:10.1128/9781555817381.ch123.f5

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Image of FIGURE 6

Macroconidia and microconidia of complex on SGA with 5% NaCl. Magnification, ×400. doi:10.1128/9781555817381.ch123.f6

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Image of FIGURE 7

Smooth-walled macroconidia of Afro-Asiatic type () from primary isolate on SGA. Magnification, ×1,000. doi:10.1128/9781555817381.ch123.f7

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Image of FIGURE 8

Long, narrow macroconidium and clavate to pyriform microconidia of . Magnification, ×400. doi:10.1128/9781555817381.ch123.f8

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Image of FIGURE 9

Clavate macroconidium, microconidia, and intermediate conidia of . Phase contrast; magnification, ×400. doi:10.1128/9781555817381.ch123.f9

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Image of FIGURE 10

Microconidia with typical refractile cytoplasm of . Magnification, ×400. doi:10.1128/9781555817381.ch123.f10

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Image of FIGURE 11

Characteristic chlamydospores produced by or BCP-milk solids-yeast extract agar. Magnification, ×400. doi:10.1128/9781555817381.ch123.f11

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Image of FIGURE 12

Macroconidia of on SGA. Note the absence of microconidia. Magnification, ×400. doi:10.1128/9781555817381.ch123.f12

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Image of FIGURE 13

Macroconidia of on SGA with 3% NaCl. Magnification, ×400. doi:10.1128/9781555817381.ch123.f13

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Image of FIGURE 14

Macroconidia of with rough, thick walls. Magnification, ×400. doi:10.1128/9781555817381.ch123.f14

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Image of FIGURE 15

Macroconidia of , showing thick walls and pseudosepta. Magnification, ×400. doi:10.1128/9781555817381.ch123.f15

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Image of FIGURE 16

Macroconidia of . Magnification, ×400. doi:10.1128/9781555817381.ch123.f16

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Image of FIGURE 17

Rough-walled macroconidium of on SGA with 3% NaCl. Magnification, ×1,000. doi:10.1128/9781555817381.ch123.f17

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Image of FIGURE 18

(a) complex: “nodular” variant of (formerly ), SGA, 12 days, showing typical bright yellow pigmentation. (b) complex: granular, zoophilic type (mating tester strain of ), 14 days. (c) , SGA, 10 days, surface showing cottony white mycelium. (d) , SGA, 10 days, reverse showing typical red pigment. (e) , SGA, 14 days, surface showing low velvety texture, mixed white and brownish mycelium. (f) , SGA, 14 days, reverse showing mixture of mahogany red-brown and sulfur yellow coloration. (g) , SGA, 10 days, relatively flat colony showing pale striate margin and yellowish pigment near colony center. (h) Brown filaments of in NaOH mount of scraping from tinea nigra. Magnification, ×400. doi:10.1128/9781555817381.ch123.f18

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Image of FIGURE 19

in skin scrapings from a lesion of tinea versicolor (Kane’s stain). Magnification, ×1,000. doi:10.1128/9781555817381.ch123.f19

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Image of FIGURE 20

Culture of on Littman oxgall agar overlaid with oil. doi:10.1128/9781555817381.ch123.f20

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Image of FIGURE 21

Microscopic appearance of yeast cells on Littman oxgall overlaid with olive oil. Magnification, ×400. doi:10.1128/9781555817381.ch123.f21

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Image of FIGURE 22

Black piedra nodules on scalp hair. NaOH mount. Magnification, ×100. doi:10.1128/9781555817381.ch123.f22

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Image of FIGURE 23

White piedra nodule on hair from the groin. Magnification, ×1,000. doi:10.1128/9781555817381.ch123.f23

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Image of FIGURE 24

Arthroconidia from a crushed nodule of white piedra. Magnification, ×1,000. doi:10.1128/9781555817381.ch123.f24

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Important characteristics of clinically isolated dermatophytes and dermatophytoids

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Grouping of dermatophytes on the basis of host preference and natural habitat

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Hair invasion by dermatophytes on the human host

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Dermatophyte nutritional response as elucidated by agars

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Sequence of procedures for phenotypic identification of dermatophytes in pure culture


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