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

25
formed by heterogeneous fertilization or fusion between unlike or dissimilar cells
oospores
26
formed without nuclear fusion found in fungi imperfecti
asexual spore
27
derived from the cells of te body of the fungus
thallospore
28
term ; body of the fungus
thallus
29
formed directly from hyphae by fragmentation at points septation
arthrospore
30
produced by budding with daughter being pinched off from portions of the mother cells
blastospores
31
in some species, blastoconidia may elongate and remain attached and forms structures called __
pseudohyphae
32
formed by enlargement of a hyphal cell in which there is a concentration of protoplasm and nutrient material
chlamydospore
33
large, round thic-walled resistant spores
chlamydospore
34
types of chlamydospore
intercalary (within the hypha) sessile (to side of hypha terminal (at the end of hypha)
35
asexual spores produced by singly or in groups by specialized vegetative hyphal strand called _____. (answer the question and then answer the missing underlined word)
conidia conidiophores
36
borne directly on the side of the hyphal strand or at the end of a long or short conidiospore
microconidia
37
other term of macroconidia
fuseaux
38
usually borne on a short to long conidiopore
macroconidia
39
large and club-shaped or spindle shaped
macroconidia
40
what do you call a flask-shaped projections?
phialides
41
what do you call a radiating chains of conidia
phialoconidia
42
produce spores in a large sac-like structure termed as ____ | spores are released by the rapture of the sporangial wall
zygomycetes | sporangium
43
classification of fungi | according to categories& clinical classification
``` +according to categories ascomycota basidiomycota deuteromycota zygomycota ``` ``` +according to clinical classification systemic mycoses superficial or cutaneous mycoses opportunistic mycoses subcutaneous mycoses ```
44
asexual fusion results in a sac, or ascus containing 4 to 8 spores (ascospores)
Ascomycota
45
examples of ascomycota
trichophyton microsporum blastomyces
46
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)
basidiomycota basidium basidiospores
47
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
deuteromycota
48
asexual spores produced in indefinite numbers within a structure called ___ sexual fusions results in formation of a resting, thick-walled cell termed as ___
zygomycota sporagium zygospore
49
hair, skin, or nails with direct invasion of the deeper tissues
superficial or cutaneoous mycoses
50
subcutaneous with dissemination to distant sites
subcutaneous mycoses
51
affecting different organs
systemic mycoses
52
fungi that attacks when there is a primary disease or in a immunocompromised host
opportunistic mycoses