filamentous fungus
Technical term used in mycology and microbiology; refers to fungi that grow as thread-like hyphae, such as molds.
Filamentous fungi are sometimes used in the production of food and pharmaceuticals.
dermatophyte
Compound of 糸状 (thread-like) and 菌 (fungus/bacterium). The term is a direct calque from the scientific concept of filamentous fungi.