Bailey & Scott's Diagnostic Microbiology: Fundamentals of Mycology Flashcards


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1

chitin

located in the cell wall of fungi

2

ergosterol

located in the cell membrane of fungi

3

via spores (asexually or sexually)

how fungi are reproduced

4

chlorophyll and susceptibility to antibiotics

two things fungi lack

5

yeasts and molds

the two classifications of fungi

6

yeasts

moist fungi that like humidity

7

molds

filamentous fungi

8

dematiaceous (melanized) or hyaline

two classifications of fungi based on whether or not they have a color to them

9

dimorphic

ability of fungi to turn from yeast form to mold based on thermal requirements and stay in the changed form

10

polymorphic

ability of fungi to turn from yeast to mold and back again

11

zygomycota

asexual reproduction by sporangiospores; sexual reproduction by zygospores

12

ascomycota

asexual reproduction by conidia, sexual reproduction by ascospores

13

basidiomycota

sexual reproduction via basidiospores

14

deuteromycota

asexual reproduction by conidia; fungi imperfecti

15

saprophytic

characteristics of fungi meaning they live on dead or decaying matter due to the rich organic carbons; helps promote the growth

16

25-30 degrees

temperature that helps promote the growth of molds

17

body temperature

temperature yeasts require

18

<60%

humidity that helps fungi thrive while inhibiting certain bacteria to save nutrients for fungi

19

aerobic, anaerobic, and microaerophilic

oxygenation classifications of fungi

20

<5 days

rapid growth rate

21

6-10 days

intermediate growth rate

22

11-21 days

slow growth rate

23

hyphae

morphologic characteristic molds: filamentous, tubular growth; true (no separation-continuous) vs pseudo (rounded ends, separated)

24

septate

line separating hyphae

25

aseptate/coenocytic

no line separating the hyphae

26

pauciseptate

look aseptate but have ribbon-like body on hyphae

27

mycelium

identified by plate morphology; considered vegetative (entry points for nutrients) and aerial (gives fuzzy appearance and gives asexual reproduction)

28

mycosis/mycoses

pathological condition related to fungal infections, primary or opportunistic; infection depends on immunocompetency of patient, size of organism, growth at dimorphic temperatures at neutral pH, conversion from yeast to mold, and toxin production

29

cutaneous, subcutaneous, opportunistic, and systemic

four categories of pathogenic fungi

30

cutaneous mycosis

located on the outside of the body: hair, skin, and nails

31

subcutaneous mycoses

located in upper layer of tissue, but under the surface without going deeper; doesn't usually cause systemic disease

32

opportunistic mycoses

all other fungal families in immunocompromised host: cancer, diabetes, organ disease, etc.

33

systemic mycoses

widespread proliferation tied to poor prognosis for patient