microscopic view of growing mold and spores, showcasing fungal structures that can trigger allergies and serious diseases

microscopic fungal spores mold growth mycology hyphae mycelium aspergillus penicillin mucor cladosporium allergenic pathogenic toxigenic respiratory infection asthma pneumonia sinusitis allergies mycotoxins immunocompromised hypersensitivity colonization sporulation germination filamentous yeast dimorphic opportunistic invasive superficial subcutaneous systemic airborne fungi niger allergens bronchitis pulmonary toxicosis contamination inhalation inflammatory cutaneous sensitization histamine