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mycology glossary

TermDefinition
Collarette flared or straight-sided cell wall remnant at the tip of a phialide
columella dome-shaped top of a sporangiophore, containing sporangium
Conidiophore hyphal structure that serves as a stalk on which conidia are formed
conidia asexual reproductive structure that forms on the side or end of hyphae or conidiophore
dematiaceous hyphae, conidia, or spores that are brown or black
denticle small, hair-like projection on which a solitary conidium is formed
dichotomous branching of hyphae into 2 equal branches with same diameter as original hyphae
Dimorphic having 2 distinct forms- yeast at 37, mould at 25
Ectothrix infection outside the hair shaft
endothrix infection with arthroconida within the hair shaft
endospore spore produced within the spherule of C.immitis
exudate droplets of liquid on the surface of a colony
Favic chandeliers antler like hyphae typical of Trichophyton schoeneinii
Foot cell hyphal cell at the conidiophore base- diagnostic of Aspergillus
geophilic usually recovered from soil, occasionally infects humans/animals
glabrous smooth, with or without aerial hyphae
globose round
granular dense conidia resembling sugar granules
Hyaline colorless
hyphae septate or aseptate filament, together compose mycelium
intercalary forming in the middle of a hyphae
macroconidia larger type of conidia, usually multi-celled
moniliform hyphae with swelling at regular intervals like a string of beads
muriform having both transverse and longitudinal septa
nodular bodies knot of twisted hyphae
onychomycosis infection of the nails
ostiole opening in the cell wall of fruiting body through which conidia are released
pectinate hyphal ends which have protuberances resembling a comb
pedicel short filament which attaches a conidium to the hyphae
penicillus brush like conidiogenous structue with 1-3 levels of branches and a terminal phialide
perithecium flask shaped or rounded fruiting body with opening and asci arranged at base of structure
phialide flask shaped conidiogenous cell which neither elongates nor enlarges
conidiogenous structure that produces conidia
Pseudohyphae chains of cells formed by budding that resemble true hyphae. differ by constrictions at septation, branches that begin with septation, and smaller terminal cells
pyriform pear shaped or tear-drop shaped
racquet hyphae hyphae with club shaped cells in which the large end of one call is attached to the smaller end of the next
reflexive branching branches that grow forward and backward at acute angles to the hyphae
rhizoid root-like branching hyphae
rugose topography colony in which furrows radiate out from the center
sclerotium hyphae closely interwoven and cemented together into a hard resistant body
septate having crosswalls
spherule large, round structure containing endospores seen in direct exam, charactoristic of C.immitis
sporangiophore specialized hyphal branch bearing a sporangium
sporangiospore asexual spore produced in sporangium
sporangium closed sac-like structure in which asexual spores are formed
stolon horizontal arial hyphae which give rise to rhizoids and sporangiophores
teleomorph sexual reproductive stage of fungus
truncate conidium with a scar flattened off at the point of attachment
Umbonate topography colony with centre button-shaped elevation
uniserate in Aspergillus, a vesicle bearing a single layer of phialides
Verrucose topography colony furrowed or convoluted
verticil group of conidiogenous cells radiating out from a single point like spokes in a wheel
vesicle inflated end of a conidiophore or sporangiophore
yeast-like colony soft, pasty, smooth colony, usually without filamentous growth
zoophilic found primarily in animals, occasionally infects humans
Created by: kmaemom