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Flashcards in Mycology Deck (63):
1

General characteristics of fungi

Thallophytes
Chemotrophic
Heterotrophic
Gram +
Environment natural habitat

2

Rigid support in cell wall

Chitin

3

Inhibits the effect of anti-fungal

Sterol

4

Fungi contain melanin pigment

Dematiaceous fungi

5

Function of spores in fungi

For reproduction

6

Form of fungi that can survive at 37C

Yeast

7

Sausage like chain

Pseudohyphae

8

Asexual process of yeast

Fission and Budding/blastoconidia/blastosphore formation

9

Form of fungi that can survive in 24C
Filamentous

Mold

10

Non septate hyphae

Coenocytic

11

Mass or mat of hyphae

Mycelium

12

Sexual reproduction

Meiosis
Teleomorph
Perfect fungi
Zygomycetes
Ascomycetes
Basidiomycetes

13

Asexual reproduction

Anamorph
Mitosis
Imperfect fungi
Aerial rep thru conidia

14

Hypersensitivity reaxn

Id reaction

15

Clearing agent use in wet preparation

KOH or NaOH

16

Nigrosin india ink

Capsule
CSF specimen

17

Wright stain or giemsa stain

Histoplasmosis
Bone marrow spec

18

Antibiotic used for SABHI

Chloramphenicol

19

Microscopic examination for identification of fungus

LPCB

20

Identification of molds

Exoantigen test

21

Rapid dx of fungal cell wall

FAS

22

Identify colonies growing at the earlier stage of growth

DNA probe test

23

Identifying the prognosis of the fungi

Wood's light

24

Blocks the microsomal P450 dependent

Azole

25

Drug that is derived frm species of penicillium

Griseofulvin

26

Inhibit the cell wall b glucan

Echinocandins

27

Inhib the ef2

Nikkomycin
Pradimicin
Sordarin

28

Flucytosine + Ampho B

Synergistic

29

Ketoconazole + Ampho B

Antagonistic

30

Infect outer layer of skin and hair
Cmi not involve
Cosmetic problem
Easy to treat

Superficial mycoses

31

Lipophilic fungi
Malasezia furfur
Dry chalky appearance
Spaghetti and meatball appearance

Ptyriasis vesicolor

32

Palmar and plantar areas
Light to blackish
Hortae wernickii
Dematiaceous fungi

Tinea nigra

33

Hard black nodule along hair shaft
Affects scalp hair
Piedraia hortae

Black piedra

34

Cream colored soft pasty growths along infested hair shaft
T. beigeli
Apears mostly in moist areas of the body

White piedra

35

Reffered as
1. Keratinophylic fungi
2. Dermatophytes
May give rise to hypersensitivity reaxn called "dermatophytid" / "id" reaxn

Cutaneous mycoses

36

Infects skin, hair, nails
More microconidia
Endothrix infection

Trichophyton

37

Infects skin and hair
More macroconidia
Ectothrix infection

Microsporum

38

Describe as fuseaux of banana bunch
Invades skin and nails

Epidermophyton

39

Grape like clusters on terminal branch

T. Mentagrophytes

40

Teardrop shaped microconidia

T. Rubrum

41

Favic chandelier
Scutulum

T. Schoeleinii

42

Infections on deeper layer of epidermis, subcu tissue, muscles, fascia, bone

Subcutaneous mycoses

43

Involvement of adjacent lymphatics
Dimorphic fungus
Rose thorn dse
Gardener's dse
May resemble signs and symptoms of TB
Rosette or daisy like pattern

Sporotrichosis (Sporothrix schenkii)

44

DOC for sporotrichosis

Potassium iodide

45

Elephantiasis
Wart like growths
Cauli flower like appearance

Chromomycosis

46

Tissue respone for chromomycosis

Pseudoepithelial hyperplasia

47

Actinomycotic mycetoma

Actinomycetes

48

Eumycotic mycetoma

Madurella mycetoni
Pseudalisesheria
Exophiala

49

Cauliflower type polypoid masses of the nasal mucosa
MOT: fequent contact to fresh water pool
Mature spherules with endsophore

Rhinosporidiosis

50

Keloidal blastomycosis

Lacaziosis (Lobomycosis)

51

Systemic mycosis primary organ involved

Lungs

52

Affects Reticuloendothelial system

H. Capsulatum
P. Marneffi

53

Fungus flu, mimics tuberculosis

H. Capsulatum

54

Budding yeast resembling pilot's wheel

Paracoccidiodes brasilliensis

55

Systemic mycoses that develop hypersensitivity reaxn

Coccidiomycosis

56

Assoc with AIDS pt

Penicilliosis marneffi
Cytococcosis neoformans
Pneumocytosis carinii

57

3rd most common cause of bloodstream infection

Candida

58

Relationship of candida with man

Commensal

59

Used for identification of C. Albicans

Germ tube and chalmydosphore formation

60

Dichotomous branching septate
Fungus ball appearance upon xray

Aspergillosis

61

Most common form of infection is rhinocerebral (uncontrolled diabetic acidosis)

Mucormycosis

62

Encapsulated yeast
Assoc with pigeon droppings
Causes fungal meningitis
Lab: india ink preparation

Cryptococcosis

63

Ground glass appearance

Pneumocytosis