MYCOLOGY Flashcards
Above colony surface (fuzzy appreance)
Aerial
Only as yeast or cold
Monomorphic
Microsporum audionii
Pectinate Hyphae
Sac-like stucture
Ascospores
Union of two undifferentiated cells
Zygospore
Club shaped structure
Basidiospores
Fungal infection affecting hairs of the scalp
Black Piedra
Facial, genital, and scalp hair fungal infection
White Piedra
Disease that has infection of affecting hair follicles
Tinea Favosa
Rowboat shaped macroconidia
Microsporum gypseum
Tear or balloon shaped microconidia
Trichophyton tonsurans
Tear shaped microconidia
Trichophyton rubrum
Most agents of mycosis
Deuteromycota
Affecting the outermost layer of skin
Superficial mycoses
Athlete’s foot
T. Mentagrophytes
Gray patch tinea
Microsporum audouni
Cause of scalp infection
T. Tonsurans
Beaver’s tail
Condia
Star shaped powdery colonies
Destrose agar
Lead to tumor-like deformities
Eumycotic mycetoma
Invading organs like skin, lungs, and the brain
Subcutaneous phaeohyphomycosis
Traumatic implantation
Subcutaneous mycoses
Cigar shaped yeast with single or multiple buds
Yeast
Darlings disease
Histoplasma capsulatum
Large yeast with multiple buds like ship’s wheels, mariners/ pilots wheel
Paracoccidiodes brasiliensis
Most virulent of all mycotic agent
Coccidioides immits
Flurochrome stain for Chitin
Calcofluor white
Detect cryptococcus in CSF
India ink/ nigrosin
Used as indicator is phenol red
Dermatophyte test medium DTM
Most fungi grown within 2 week incubation period
Culture
Cryptococcus neoformans capsule
Mayer’s mucicarmine
Require incorporation of ammonium oxolate into crystal violet
Gram stain (hucker modification)
To detect hyphal pigmentation
Fontana massoj and H&e
Most commonly encountered opportunistic fungal infections
Candida albicans
Major cause of opportunistic infection in patients with aids
Cryptococcus neoformans
Direct examination of specimen
Microscopic exam
Common cause of pulmonary that often found in compost piles of soil and potted plants
Aspergillus fumigatus
Penetrates medium and absorbs nutrients
Vegetative
Grows at 25 to 30 deg zc
Mold
Multicellular filamentous
Mold
Organism with no true nucleus
Prokaryotic
Epidermophyton floccosum
Racquet hyphae
It has an imperfect spores
Asexual spores
Formed through enlargemeny of hyphal cells
Chamydoconida
Budding or small outgrowth of hyphae
Blastoconidia
Either as yeast or mold
Dimorphic
Visualization of budding yeast, approximately 4 to 8 um
Malassezia furfur
Fungal agent of tinea favosa
Trichophyton schoenleinni
Common childhood diesease
Gray patch ringworm
Caused by dimorphic fungi
Systemic mycoses
In what deg the thick walled spherule filled with endospore
37 deg
Detection of fungi in histologic section s
Gomori methenamine silver
It’s used for dermatophyte recovery
Mycosel or mycobiotic agar
It’s previously known as penicillium marneffei
Talaromcytes marneffei
Infection of mucous membranes pf mouth in newborns or HIV
Candidiasis
Black pepper effect on culture media, fungus ball in lungs
Aspergillus Niger
This is the two types of fungal infection affecting hair shaft
Graypatch and blot dot
It’s a khaki colored colonies
Epidermophyton floccosum
Found in soil, feet is usually affected
Subcutaneous mycoses
Rat tail appearing microconidia string bean appreance
T. Verricosum