11, 11.1, 11.2 - Mycology Flashcards
fungal disease are called
mycoses
dimorphic fungi
can exist as moulds or yeast
hyphae
characteristic structure of moulds
elongated filaments which may branch
mycelium
network of hyphae
yeast form
unicellular
spherical or egg shaped
Candida albicans causes
colonises mucous membranes
causes opportunistic, mucocutaneous disease
can result in more significant mucocutaneous disease or deep seated, systemic disease with high mortality
superficial mycoses
pityriasis versicolor
white piedra
black piedra
cutaneous mycoses
dermatophytosis (ringworm, tinea)
mucocutaneous candidiasis
pityriasis versicolor
no living tissue invaded
no inflammation
tinea
no living tissue invaded
inflammatory response in living epidermis
candiasis
invasion of living part of epidermis or mucosa, with inflammation
pityriasis versicolor caused by
malassezia furfur
asymptomatic cosmetic appearance
piedra
superficial infection of hair shafts
dermatophytosis
tinea or ringworm cutaneous mycosis caused by dermatophytes - trichophyton - Microsporum - Epidermophyton floccosum
dermatophytosis may affect
skin or nails