microscopic closeup of growing mildew

air background biology biotechnology breathing cells closeup decay decaying dermatophytosis disease foot fungal fungi fungicides fungus growing growth humidity hyphae ill illustration infection infectious inhalation life macro macroconidia medical mentagrophytes microbes microbiology microconidia microorganisms microscope microscopic mildew mold onychomycosis particle ringworm rotten rubrum sick sickness skin small spore spores tinea toe trichophyton