Microconidium: a small asexual fungal spore.Conidium: an asexual fungal spore formed from a vegetative yeast, hyphal cell, or a specialized conidiogenous cell.Teleomorph: sexual reproductive state of a fungus.Anamorph: asexual reproductive state of a fungus.An outgrowth produced by spores during germination.Conidiophore: simple or branched hyphae on which conidia are produced.Sporangiophore: modified hyphae bearing sporangia.May result from asexual (e.g., sporangiospores) or sexual reproduction.Haploid, reproductive particles that can be formed on reproductive hyphae or mycelium.Thallus: the vegetative body of a fungus.Pseudomycelium: mycelium-like mass of pseudohyphae.Mycelium : a haploid and multicellular network of hyphae forming a thread-like structure.Pseudohyphae can be identified by the presence of constrictions at the site of origin.A hypha-like filament formed by a chain of budding yeast cells that have not become detached from each other.Septa: hyphal cell wall divisions, typically porous.Hyphae : tubular, branching filaments of fungal cells, with or without septae.See also “ Candidiasis,” “ Aspergillosis,” and “ Dermatophyte infections.” Basics of mycology Suspected systemic fungal infections are usually treated empirically until confirmatory testing is obtained. Diagnosing a systemic fungal infection is often difficult because the symptoms are nonspecific and definitive test results may take days to weeks. Immunocompromised individuals are susceptible to systemic fungal infections, which are associated with a high risk of mortality. Mycoses in immunocompetent individuals are generally superficial or limited to the respiratory system. ![]() Fungal infections are categorized by the anatomical location of the infection (i.e., as superficial or systemic) and the epidemiological class of the infecting organism (i.e., endemic fungal infection or opportunistic fungal infection). Mycoses are infections caused by fungi such as dermatophytes (e.g., Trichophyton), yeasts (e.g., Candida), or molds (e.g., Aspergillus). Fungi are widespread in the environment and many species colonize the human body without evidence of infection.
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