fungi aspergillus, black mold

aspergillus mold fungi illustration black 3d aspergillosis pulmonary moisture moldy mould reaction scientific science hyphae toxic toxin up rendering health microbiology fungus mycotoxin growth background allergic allergy asthma aflatoxin aspergilloma colorful niger carcinogen danger brain sporeforming close fumigatus disease cyst culture mycetoma ball mycotoxins immunocompromised flavus dangerous abscess versicolor isolated