trichophyton rubrum. close-up of fungi with fertile hyphae, macroconidia and microconidia

039 allergic allergy asthma athlete athletes carcinogen cause close closeup colonize colonizes culture dermatology dermatophytic dermatophytosis disease fertile foot fungal fungi fungus health hygiene hyphae ill illustration infection infectious itch jock laboratory layers macroconidia medical medicine microbes microbiology microconidia moisture mold moldy mould mycosis nail onychomycosis rendering ringworm rubrum science sick skin that toe toxin trichophyton upper vector