fungus trichophyton rubrum, hand-drawn

background microscopic microbes fungal microscopy microorganisms toe ringworm hyphae onychomycosis tinea athletes trichophyton conidia conidium dermatophytosis ill macroconidia macroconidium mentagrophytes microconidia pedis nail cells foot infectious texture paper hand illustration drawn sickness rubrum science infection biology pen disease scientific fungi mold medical fungus skin drawing septate microscope microbiology clinical markers