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Pre-Clinical Science > Fungi > Flashcards

Fungi Flashcards

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Biology 101 flashcards
1
Q

Are fungi eukaryotic?

A

Yes

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2
Q

What gives the fungal cell wall its stability?

A

Chitin

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3
Q

How do fungi reproduce?

A

Sexual (meiosis) and asexual (mitosis)

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4
Q

What are hyphae?

A

Basic cell unit of a mould

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5
Q

How is the tubular wall of the hypha strengthened?

A

Crosswalls/septa (have central pore so cytoplasm can move through)

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6
Q

What is a mycelium?

A

The network of hyphae which forms the body of the mould

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7
Q

What are the aerial mycelia called?

A

Conidia or sporangiospores

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8
Q

What is a yeast?

A

Alternative growth form to the hypha (vaguely circular/ovoid)

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9
Q

How do yeasts reproduce?

A

Budding

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10
Q

What are dimorphic yeasts?

A

Yeasts which can produce yeasts and hyphae depending on environmental conditions

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11
Q

What are the Deuteromycota?

A

Fungi which didn’t fit into the other classifications

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12
Q

How do Deuteromycota reproduce?

A

Via conidia (aerial spores) - asexually

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13
Q

What are arthrospores?

A

Conidia formed by simple fragmentation in dermatophytes

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14
Q

What is mycosis?

A

Fungal infection through fungi living in/on the body

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15
Q

Where are superficial mycoses found?

A

Epidermis/nails/hair/claws/feathers

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16
Q

Where are subcutaneous mycoses found?

A

Traumatic inoculation through skin (wounds/bites)

17
Q

Where are deep mycoses found?

A

Lungs, deep wounds, endogenous

18
Q

What are effective treatments of ringwom?

A

Requires topical (shampoos/washes/sprays) and systemic treatment

19
Q

What can cause predisposition to fungal infection?

A

Immune suppression, extremes of age, trauma, exposure to heavy spore loads

20
Q

What is apergillosis/where can it come from?

A

Fungal lung infection (conolises alveoli), main source is hay/straw

21
Q

What is a sign of chronic aspergillosis infection in dogs?

A

De-pigmentation of the nose

22
Q

What type of fungus can cause mycotic abortion?

A

Apergillus

23
Q

What is candidosis?

A

Yeasts of normal gut flora, opportunistic infection

24
Q

What is cryptococcus neoformans/where can it come from?

A

Deadly opportunistic infection, lives in bird guano (excrement)

25
Q

Diagnosis of mycotic infection

A

Direct microscopy
Culture and ID
Serology (antibodies and antigens)
Molecular ID

Pre-Clinical Science (12 decks)

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