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Microbiology Second Year > Myocoses/Fungus > Flashcards

Myocoses/Fungus Flashcards

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Biology 101 flashcards
1
Q

Yeasts

A

Single cells

thick wall/capsule

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2
Q

Molds

A

Multi-cellular

hyphae (stem) and conidia

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3
Q

Dimorphic

A

either yeast or mold

cause primary systemic mycoses

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4
Q

Opportunistic Mycoses

A

normal flora

Candida

Aspergillus

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5
Q

Candidiasis

A

Canine, feline- yeast

exfoliative dermatitis of muzzle, inguinal area, scrotum, feet

Seborrhea, pruritis, alopecia

Avian, porcine- thrush
Equine, bovine- gastroesophageal candidasis with gastric ulceration

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6
Q

Aspergillosis

A

Mold
Canine- nasal, long nose; cat sneezing out clots of fungus
Equine- pulmonary aspergillosis, guttural pouch- can hemorrhage (carotid a.)
Avian- spore contamination of feed/litter; pneumonia

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7
Q

Dermatophytes

A

ringworm

mold

Microsporum and Trichophyton

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8
Q

Microsporum

A

M. canis!!!! most common in domestic animals
macroconidia- rough, thick-walled, multi-septate
rough hairs on outside, curvy tip

Alopecia, crusting, can be moist

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9
Q

Trichophyton

A

T. mentagrophytes- cats, dogs, rodents, humans

Macroconidia- smooth edges, thin walled

T. verrucosum- cattle - VACCINE

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10
Q

Malassezia

A

Dermatomycoses

lipophilic yeasts, part of cutaneous normal flora

peanut shaped

Dogs: otitis externa and dermatitis
Cats: otitis externa, chin acne

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11
Q

Sporotrichosis

A

Subcutaneous Mycoses

deep layers of skin, muscle, bone, connective tissue
- associated with trauma, agents found in soil

dimorphic
Cat: draining puncture wounds
Dog, horse, humans

Environmental from soil- gets in wound

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12
Q

Blastomycosis

A

Systemic mycoses- dimorphic

soil, wood

humans, dogs: cutaneous, ophthalmic, disseminated disease

  • skin lesion growing from inside- out
  • lungs
  • Thick, walled yeast cells with single buds attached by broad base!

Transmission is rare

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13
Q

Coccidiodomycosis

A

Systemic mycoses- dimorphic

hot, dry environment

C. immitis- fungal pneumonia

Dogs: primary pulmonary infection (80%) and (20%) develop disseminated disease- lameness, cough, lymphadenopathy, diarrhea

ONE SPORE

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14
Q

Histoplasmosis

A

Systemic mycoses- dimorphic

Big macrocanidia, thick capsule

Along river: warm, wet soil

Dogs- respiratory and disseminated

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15
Q

Cryptococcosis

A

Systemic mycoses- yeast

Psuedo-hypae

CATS, Nasal cavity (rhinitis)

ocular lesions

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Microbiology Second Year (4 decks)

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