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    Coloured computed tomography (CT) scan of a section through the chest of a 76-year-old male patient with a malignant (cancerous) tumour (bright, right) of the bronchus. — Stock Photo
    Coloured computed tomography (CT) scan of a section through the chest of a 76-year-old male patient with a malignant (cancerous) tumour (bright, right) of the bronchus.
    Roquefort cheese and digital illustration of fungus Penicillium roqueforti. — Stock Photo
    Roquefort cheese and digital illustration of fungus Penicillium roqueforti.
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Blastocyst hollow ball of cells with fluid, digital illustration. — Stock Photo
    Blastocyst hollow ball of cells with fluid, digital illustration.
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Three red onions — Stock Photo
    Three red onions
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Child holding dish — Stock Photo
    Child holding dish
    Red blood cells — Stock Photo
    Red blood cells
    Digital illustration of Lyme disease tick parasite. — Stock Photo
    Digital illustration of Lyme disease tick parasite.
    Roquefort cheese and digital illustration of fungus Penicillium roqueforti. — Stock Photo
    Roquefort cheese and digital illustration of fungus Penicillium roqueforti.
    Male sex cell — Stock Photo
    Male sex cell
    Closeup view of three colored plastic spoons on blue surface — Stock Photo
    Closeup view of three colored plastic spoons on blue surface
    Normal human brain — Stock Photo
    Normal human brain
    High angle view of three fresh mackerel fish on grey background. — Stock Photo
    High angle view of three fresh mackerel fish on grey background.
    Closeup view of colored glasses of water — Stock Photo
    Closeup view of colored glasses of water
    Human silhouette with Pneumocystis pneumonia and close-up of fungus spores. — Stock Photo
    Human silhouette with Pneumocystis pneumonia and close-up of fungus spores.
    Red with green and yellow peppers — Stock Photo
    Red with green and yellow peppers
    Lymphocyte white blood cell — Stock Photo
    Lymphocyte white blood cell
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Lymphoma cancer cell — Stock Photo
    Lymphoma cancer cell
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Blastocyst hollow ball of cells with fluid, digital illustration. — Stock Photo
    Blastocyst hollow ball of cells with fluid, digital illustration.
    Three Halloween pumpkins in a garden — Stock Photo
    Three Halloween pumpkins in a garden
    Fairy cakes on coloured flower pattern — Stock Photo
    Fairy cakes on coloured flower pattern
    Lymphoma cancer cell — Stock Photo
    Lymphoma cancer cell
    Red blood cells — Stock Photo
    Red blood cells
    Portrait of a cool girl with dyed hair sitting on a chair — Stock Photo
    Portrait of a cool girl with dyed hair sitting on a chair
    Tricoloured quinoa on scoop — Stock Photo
    Tricoloured quinoa on scoop
    Hands holding eggs — Stock Photo
    Hands holding eggs
    Scanning electron microscopy of DNA molecules and red and white blood cells. — Stock Photo
    Scanning electron microscopy of DNA molecules and red and white blood cells.
    Silhouette with lungs pneumonia caused by measles virus, conceptual illustration. — Stock Photo
    Silhouette with lungs pneumonia caused by measles virus, conceptual illustration.
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Silhouette with lungs pneumonia caused by measles virus, conceptual illustration. — Stock Photo
    Silhouette with lungs pneumonia caused by measles virus, conceptual illustration.
    Blue brain tumour on magnetic resonance imaging scan, illustration. — Stock Photo
    Blue brain tumour on magnetic resonance imaging scan, illustration.
    Colourful Easter eggs arranged in a colour gradient (top view) — Stock Photo
    Colourful Easter eggs arranged in a colour gradient (top view)
    Overhead view of an Asian table setting with chopsticks — Stock Photo
    Overhead view of an Asian table setting with chopsticks
    Silhouette with lungs pneumonia caused by measles virus, conceptual illustration. — Stock Photo
    Silhouette with lungs pneumonia caused by measles virus, conceptual illustration.
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Roquefort cheese and digital illustration of fungus Penicillium roqueforti. — Stock Photo
    Roquefort cheese and digital illustration of fungus Penicillium roqueforti.
    Paper bags of jelly sweets — Stock Photo
    Paper bags of jelly sweets
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    Scanning electron micrograph (SEM) of a PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph (SEM) of a PC12 neurone in culture.
    Scanning electron microscopy of DNA molecules and red and white blood cells. — Stock Photo
    Scanning electron microscopy of DNA molecules and red and white blood cells.
    Human hair shafts, digital illustration. — Stock Photo
    Human hair shafts, digital illustration.
    Degenerative foot deformation — Stock Photo
    Degenerative foot deformation
    Portret of clock maker in his workshop. — Stock Photo
    Portret of clock maker in his workshop.
    Three different macaroons — Stock Photo
    Three different macaroons
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Male sex cell — Stock Photo
    Male sex cell