Structures - LabCE.com, Laboratory Continuing Education

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The page below is a sample from the LabCE course Mycology: Hyaline and Dematiaceous Fungi. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Structures

Structure/Term	Definition	Image
Acrotheca	conidia are formed along the sides and ends of club shaped conidiophores
Aleuriospores	conidia attached to the hyphae by supporting cells that fracture when the conidia are released
Arthroconidia	conidia borne in chains, formed from pre-existing cells in the hyphae
Arthrospores	same as Arthroconidia
Ascocarp	protective sac which houses asci, differs from a cleistotheca because it has an opening (Commons.wikimedia.org)
Asci	mother cells that produce ascospores inside and can be protected by an ascocarp
Ascospores	sexual spore formed after fertilization and then division of the fertilized cell (asci)	(U. of Adelaide)
Aseptate	not having cross walls
Chlamydoconidia	thick-walled survival conidia	(U.of Adelaide)
Cleistothecia	completely enclosed ascocarp, containing asci and ascospores
Conidia	asexual spores (microconidia are small while macroconidia are large)
Conidiophores	a hypha bearing conidia
Dematiaceous	dark (melanin producing)
Dimorphic fungi	fungi having both at yeast phase (at 37°C) and a mold phase (room temp.)
Dictyospores	spores having horizontal and vertical crosswalls, like layers of cement between bricks
Echinulate	having spiny projections
Hilum	point of attachment
Hyaline	light or clear
Hypha or Hyphae	tubular cell making up the vegetative portion of the mycelium
Mycelia or Mycelium	mass of hyphae making up a colony of a fungus (mold)
Phialides	flask shaped projection from the vesicle (top of the conidiophore)
Rhinocladiella sporulation	production of single conidia in succession both laterally and around the tip of a straight phialide
Rhizoids	small, branching hyphae that grow downward from the stolons
Septate	having cross walls
Sporangiophores	a specialized hypha bearing a sporangium
Spores	a unit of asexual or sexual reproduction
Sporodochium	aggregates of macroconidia arranged in loose clusters
Sporangia or Sporangium	an enclosure in which spores are formed
Sterigmata	denticles produced by Basidiomycetes
Stolon	horizontal hypha	(U. of Adelaide)
Sympodial	growth of a succession of apices