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Mycology & Virology > Terminologies > Flashcards

Terminologies Flashcards

1
Q

mycelium, hyphal units above the colony agar interface

A

Aerial –

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2
Q

a fungus (dermatophyte) that preferentially grows on man rather than other animals or the soil.

A

Anthropophilic –

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3
Q

conidia produced by annelide

A

Annelloconidium -

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4
Q

non motile sporangiospores

A

Aplanospores -

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5
Q

a thallic conidium released by either the splitting of a double septum or by the fragmentation or lysis of a dysjunctor cell. pl. arthroconidia

A

Arthroconidium –

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6
Q

a fruiting body containing asci and ascospores

A

Ascocarp –

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7
Q

a group of fungi that reproduce sexually by the endogenous formation of ascospores in an ascus.

A

Ascomycetes –

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8
Q

a haploid spore produced within an ascus following karyogamy and meiosis

A

Ascospore –

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9
Q

a sac-like cell containing ascospores. Asci are characteristic of Ascomycetes. Pl. asci

A

Ascus –

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10
Q

lacking septa often pertaining to the hyphae seen in zygomycetes

A

Aseptate –

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11
Q

a cell that gives rise to a basidiospore. Basidia are characteristic of the Basidiomyc etes

A

Basidium –

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12
Q

a group of fungi that reproduce sexually by the exogenous formation of basidiospores from a basidium

A

Basidiomycetes –

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13
Q

a haploid spore produced on a basidium following karyogamy and meiosis

A

Basidiospore –

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14
Q

a chain of conidia having the youngest cell at the tip

A

Blastocatenate –

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15
Q

an asexual conidium that forms by a blowing out or budding process. Pl. blastoconidia

A

Blastoconidium –

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16
Q

junction of a bud and the mother cell of a yeast

A

Base –

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17
Q

a type of asexual reproduction commonly found in yeasts

A

Bud –

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18
Q

conidia arranged in chains

A

Catenulate –

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18
Q

hyaline mucopolysaccharide covering around the body of certain yeasts
(Cryptococcus, Rhodotorula)

A

Capsule –

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19
Q

club-shaped

A

Clavate –

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20
Q

an enclosed ascocarp containing randomly dispersed asci. Pl. cleistothecia

A

Cleistothecium –

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21
Q

a remnant of a cell wall present at the tip of a phialide, or around a sporangiophore

A

Collarette –

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22
Q

a sterile dome-like structure at the tip of a sporangiophore or within a sporangium.

A

Columella –

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23
Q

thick-walled resistant resting spore, esp in Histoplasma capsulatum

A

Chlamydospore –

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24
Q

without septa

A

Coenocytic –

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25
Q

a sterile invagination of a sporangium (Zygomycetes)

A

Columella –

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26
Q

cell that gives rise to a conidium

A

Conidiogenous cell –

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27
Q

reproductive propagule produced in the absence of nuclear recombination, representing anamorphic or asexual reproduction

A

Conidium –

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28
Q

specialized hypha that gives rise to, or bears a conidium

A

Conidiophore–

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29
Q

infection of hair, skin and nails caused by fungi other than dermatophytes

A

Dermatophyte –

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30
Q

fungus having brown or black melanotic pigment in the cell wall

A

Dematiaceous –

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31
Q

type of branching of hyphae that is repetitious without pattern, branches are approximately equal in size and the stem from which they originated

A

Dichotomous –

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32
Q

having two forms

A

Dimorphic –

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33
Q

an artificial subdivision to accommodate those fungi where only the asexual state is known

A

Deuteromycetes –

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34
Q

a type of hyphal branching into two equal forks

A

Dichotomous –

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35
Q

a slow growing variant

A

Dysgonic –

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36
Q

covered with delicate spines

A

Echinulate –

37
Q

spore formed within a spherule by cleavage of cytoplasm

A

Endospore -

37
Q

forming a sheath of arthroconidia on the outside of a hair shaft. Cuticle of the hair is destroyed.

A

Ectothrix –

38
Q

arthroconidia formed inside a hair shaft. Cuticle of the hair remains intact

A

Endothrix –

39
Q

fluffy or cottony

A

Floccose –

40
Q

reproductive structures of fungi (spores)

A

Fruiting body –

41
Q

presence of fungi in the blood

A

Fungemia –

42
Q

initial hypha from a sprouting conidia, spore or yeast

A

Germ tube –

43
Q

a fungus that requires mating between two compatible strains for sexual reproduction to occur

A

Heterothallic –

44
Q

a scar at the base of a conidium

A

Hilum –

45
Q

a mode of blastic conidium ontogeny in which all the cell wall layers of the conidiogenous cell are involved in conidium development

A

Holoblastic –

46
Q

amode of thallic conidium ontogeny in which all the cell wall layers of the conidiogenous cell are involved in conidium development

A

Holothallic –

47
Q

a fungus capable of sexual reproduction on a single thallus

A

Homothallic –

48
Q

colourless

A

Hyaline/Hyalo –

49
Q

a single/vegetative filament of a fungus. Pl. Hyphae

A

Hypha –

50
Q

formed within a hyphal unit

A

Intercalary –

51
Q

the larger of two different types of conidia produced by a fungus in the same manner

A

Macroconidium –

51
Q

smaller of two types of conidia produced in the same manner by the same fungus

A

Microconidium –

52
Q

mass of hyphae making up a fungus colony

A

Mycelium –

53
Q

a sterile cell below the phialides of some Aspergillus and Penicillium species. Pl. Metulae

A

Metula –

54
Q

black

A

Niger –

55
Q

without septa

A

Nonseptate –

56
Q

like the teeth of a comb

A

Pectinate –

57
Q

darkly pigmented

A

Phaeo –

58
Q

fragile string of cells that result from the budding of blastoconidia that have remained attached to each other

A

Pseudohypha –

59
Q

a film-like or skin-like surface growth

A

Pellicle –

60
Q

the brush-like conidiophore of Penicillium. Pl. Penicilli

A

Penicillus –

61
Q

conidium born from phialide

A

Phialoconidia -

62
Q

a specialized conidiogenous cell that produces conidia in basipetal succession without increasing in length

A

Phialide –

63
Q

holoblastic conidium produced through pores in the cell wall of the conidiogenous cell or conidiophore

A

Poroconidium -

64
Q

having more than one form

A

Pleomorphic –

65
Q

a string of elongated blastoconidia formed in some yeasts that resemble a hypha-like filament

A

Pseudohyphae -

66
Q

pear-shaped

A

Pyriform –

67
Q

a hypha composed of a number of cells swollen at one end resembling a tennis racquet

A

Racquet hyphae –

68
Q

root like structure. Used in the ID of some Zygomycetes

A

Rhizoid –

69
Q

a cross wall in a hypha. Pl. septa

A

Septum –

70
Q

covered in small spines

A

Spinulose/Spinose –

71
Q

specialized hypha that gives rise to a sporangium

A

Sporangiophore –

72
Q

an asexual spore produced within a sporangium; reproductive unit formed in a sporangium

A

Sporangiospore –

73
Q

a sac-like structure producing asexual spores endogenously by cytoplasmic cleavage.

A

Sporangium –

74
Q

star-shaped

A

Stellate –

74
Q

a reproductive propagule formed by either meiosis or mitosis. However, if by asexual means, cleavage of cytoplasm is usually involved.

A

Spore –

75
Q

a small pointed structure upon which a basiospore forms. Pl. sterigmata

A

Sterigma –

76
Q

a running hypha from which rhizoids and sporangiospores arise

A

Stolon –

77
Q

a cross wall

A

Septum –

78
Q

sexual state of a fungus

A

Teleomorph –

79
Q

formed at the end of a structure

A

Terminal –

80
Q

spines or finger-like projections on macroconidia (Histoplasma capsulatum); wart like structures

A

Tuberculate –

81
Q

a mode of conidial ontogeny where a conidium is formed from a pre-existing hyphal segment or cell

A

Thallic –

82
Q

having swellings at intervals

A

Toruloid –

83
Q

phialides arising directly from a vesicle as in Aspergillus

A

Uniserate –

84
Q

having many warts

A

Verrucose –

85
Q

swollen or bladder-like cell

A

Vesicle –

86
Q

unicellular fungus, usually round or ovoid, that reproduces by budding

A

Yeast –

87
Q

infecting lower animals rather than man

A

Zoophilic –

88
Q

a thick-walled sexual spore formed by the fusion of two similar gametangia; characteristic of the Zygomycetes

A

Zygospores –

Mycology & Virology (1 decks)

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