fungi aspergillus, black mold

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