DEFINITION OF TERMS Flashcards

1
Q

living on dead or decayed organic matter

A

saprophytic existence

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2
Q

fungal pathogens that exhibit either a yeast/yeast like phase and filamentous form

A

dimorphic

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3
Q

what temperature does molds form?

A

25 deg. Cel to 30 deg. Celsius

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4
Q

what temperature does yeasts form?

A

35 deg. c to 39 deg. C

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5
Q

lacks chlorophyll for photosynthesis

A

achlorophyllous

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6
Q

what do you call something that lacks roots and stems

A

thallophytes

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7
Q

two basic morphological forms of fungi

A

yeasts and molds

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8
Q

shape of fungi

A

spherical to ovoidal

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9
Q

moist, creamy, opaque or pasty colonies in media

A

yeast

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10
Q

filamentoous fungi

A

molds

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11
Q

multicellular, filamentous orgnisms

A

molds

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12
Q

fluffy, cottony, wooly, or powdery colonies on culture media

A

molds

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13
Q

structure of molds

A

hyphae (hypha) & mycelium (mycelia)

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14
Q

branching cylindrical tubules which are basic structural units of molds

A

hyphae

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15
Q

kinds of hyphae (7)

A
aseptate
septate
spirals 
nodular bodies
racquet hyphae
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16
Q

mass or group of countless intertwined hyphae that accumulates during active growth in the mold form

A

mycelium (mycelia)

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17
Q

types of mycelia

A

vegetative or substrate mycelium & aerial mycelium

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18
Q

grows on yeast at 37 deg. and molds at 25 deg cel

A

dimorphism

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19
Q

types of spores for reproduction

A

sexual spores and asexual spores

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20
Q

formed as a result of nuclear fusion

A

sexual spores

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21
Q

perfect fungi

A

sexual spores

22
Q

spore contained in a sac-like structured called ascus

A

ascospores

23
Q

spore formed at the end of the club-shaped structure called basidium

A

basidiospores

24
Q

formed by conjugation between two morphologically identical cells

A

zygospore

25
Q

formed by heterogeneous fertilization or fusion between unlike or dissimilar cells

A

oospores

26
Q

formed without nuclear fusion found in fungi imperfecti

A

asexual spore

27
Q

derived from the cells of te body of the fungus

A

thallospore

28
Q

term ; body of the fungus

A

thallus

29
Q

formed directly from hyphae by fragmentation at points septation

A

arthrospore

30
Q

produced by budding with daughter being pinched off from portions of the mother cells

A

blastospores

31
Q

in some species, blastoconidia may elongate and remain attached and forms structures called __

A

pseudohyphae

32
Q

formed by enlargement of a hyphal cell in which there is a concentration of protoplasm and nutrient material

A

chlamydospore

33
Q

large, round thic-walled resistant spores

A

chlamydospore

34
Q

types of chlamydospore

A

intercalary (within the hypha)
sessile (to side of hypha
terminal (at the end of hypha)

35
Q

asexual spores produced by singly or in groups by specialized vegetative hyphal strand called _____.
(answer the question and then answer the missing underlined word)

A

conidia

conidiophores

36
Q

borne directly on the side of the hyphal strand or at the end of a long or short conidiospore

A

microconidia

37
Q

other term of macroconidia

A

fuseaux

38
Q

usually borne on a short to long conidiopore

A

macroconidia

39
Q

large and club-shaped or spindle shaped

A

macroconidia

40
Q

what do you call a flask-shaped projections?

A

phialides

41
Q

what do you call a radiating chains of conidia

A

phialoconidia

42
Q

produce spores in a large sac-like structure termed as ____

spores are released by the rapture of the sporangial wall

A

zygomycetes

sporangium

43
Q

classification of fungi

according to categories& clinical classification

A
\+according to categories
ascomycota
basidiomycota
deuteromycota
zygomycota
\+according to clinical classification
systemic mycoses
superficial or cutaneous mycoses
opportunistic mycoses
subcutaneous mycoses
44
Q

asexual fusion results in a sac, or ascus containing 4 to 8 spores (ascospores)

A

Ascomycota

45
Q

examples of ascomycota

A

trichophyton
microsporum
blastomyces

46
Q

sexual fusion results in formation of a club-shaped organ called a ___, on the surface of which are borne 4 meiotic products (______)
(answer the question first and fill in the blanks)

A

basidiomycota
basidium
basidiospores

47
Q

this is not a true phylogenetic group but rather an artificial class into which are temporarily placed all forms in which he sexual process has not yet been observed

A

deuteromycota

48
Q

asexual spores produced in indefinite numbers within a structure called ___

sexual fusions results in formation of a resting, thick-walled cell termed as ___

A

zygomycota
sporagium
zygospore

49
Q

hair, skin, or nails with direct invasion of the deeper tissues

A

superficial or cutaneoous mycoses

50
Q

subcutaneous with dissemination to distant sites

A

subcutaneous mycoses

51
Q

affecting different organs

A

systemic mycoses

52
Q

fungi that attacks when there is a primary disease or in a immunocompromised host

A

opportunistic mycoses