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    Digital illustration of anaerobic saccharolytic Bacteroides bacteria. — Stock Photo
    Digital illustration of anaerobic saccharolytic Bacteroides bacteria.
    Antibody molecular structure — Stock Photo
    Antibody molecular structure
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei. — Stock Photo
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei.
    Mouldy bread and illustration of microscopic fungi Penicillium causing food spoilage and producing antibiotic penicillin. — Stock Photo
    Mouldy bread and illustration of microscopic fungi Penicillium causing food spoilage and producing antibiotic penicillin.
    Destruction of a human embryo — Stock Photo
    Destruction of a human embryo
    Broom pollen grain — Stock Photo
    Broom pollen grain
    Monocyte white blood cells in blood stream with red blood cells, digital illustration. — Stock Photo
    Monocyte white blood cells in blood stream with red blood cells, digital illustration.
    Lyme disease bacteria, digital illustration. — Stock Photo
    Lyme disease bacteria, digital illustration.
    Coloured scanning electron micrograph of cancer cells migrating down pores. — Stock Photo
    Coloured scanning electron micrograph of cancer cells migrating down pores.
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish. — Stock Photo
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish.
    Group of flagella cholera bacteria, digital illustration. — Stock Photo
    Group of flagella cholera bacteria, digital illustration.
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Structure of compact bone, light micrograph. — Stock Photo
    Structure of compact bone, light micrograph.
    Corynebacterium diphtheriae, computer illustration. C. diphtheriae is a gram-positive rod-shaped bacterium which is transmitted by respiratory droplets and causes the disease diphtheria — Stock Photo
    Corynebacterium diphtheriae, computer illustration. C. diphtheriae is a gram-positive rod-shaped bacterium which is transmitted by respiratory droplets and causes the disease diphtheria
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia. — Stock Photo
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Illustration of group of cells in blood clot. — Stock Photo
    Illustration of group of cells in blood clot.
    Abstract close-up of green fabric structure, digital illustration. — Stock Photo
    Abstract close-up of green fabric structure, digital illustration.
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    Scanning electron micrograph of Brevibacteria on human feet causing odour. — Stock Photo
    Scanning electron micrograph of Brevibacteria on human feet causing odour.
    Scanning electron micrograph of head of pork tapeworm intestinal parasite. — Stock Photo
    Scanning electron micrograph of head of pork tapeworm intestinal parasite.
    Medical nanorobot on black background, digital illustration. — Stock Photo
    Medical nanorobot on black background, digital illustration.
    Illustration of human nervous receptors on black background. — Stock Photo
    Illustration of human nervous receptors on black background.
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 cell stage egg on blue background.
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Medical illustration of human cell structure on dark background. — Stock Photo
    Medical illustration of human cell structure on dark background.
    Colored scanning electron micrograph of rod-shaped, gram-negative bacteria Escherichia coli of human intestine. — Stock Photo
    Colored scanning electron micrograph of rod-shaped, gram-negative bacteria Escherichia coli of human intestine.
    3d illustration of sperm cells frozen into ice cubes. — Stock Photo
    3d illustration of sperm cells frozen into ice cubes.
    Illustration of human egg cell and sperm on blue background. — Stock Photo
    Illustration of human egg cell and sperm on blue background.
    Brain-eating amoeba Naegleria fowleri protozoans in trophozoite form, digital illustration. — Stock Photo
    Brain-eating amoeba Naegleria fowleri protozoans in trophozoite form, digital illustration.
    Magnified digital illustration of mitochondrion cell. — Stock Photo
    Magnified digital illustration of mitochondrion cell.
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae. — Stock Photo
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae.
    Bartonella quintana bacteria, digital illustration. — Stock Photo
    Bartonella quintana bacteria, digital illustration.
    Illustration of human egg cell on blue background. — Stock Photo
    Illustration of human egg cell on blue background.
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology. — Stock Photo
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology.
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system. — Stock Photo
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system.
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection. — Stock Photo
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection.
    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Structure of islet of langerhans, light micrograph. — Stock Photo
    Structure of islet of langerhans, light micrograph.
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar. — Stock Photo
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar.
    Illustration of female reproductive system and parasitic Trichomonas vaginalis causing trichomoniasis. — Stock Photo
    Illustration of female reproductive system and parasitic Trichomonas vaginalis causing trichomoniasis.
    Digital illustration of gram-positive rod-shaped mycobacterium tuberculosis bacteria. — Stock Photo
    Digital illustration of gram-positive rod-shaped mycobacterium tuberculosis bacteria.
    Coloured scanning electron micrograph of breast cancer cells. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cells.
    Scanning electron micrograph of Brevibacteria on human feet causing odour. — Stock Photo
    Scanning electron micrograph of Brevibacteria on human feet causing odour.
    Human embryo with four cells — Stock Photo
    Human embryo with four cells
    3d illustration of a transparent and colourful protozoan. — Stock Photo
    3d illustration of a transparent and colourful protozoan.
    Structure of trachea, light micrograph. — Stock Photo
    Structure of trachea, light micrograph.
    Magnified digital illustration of human cell cross-section. — Stock Photo
    Magnified digital illustration of human cell cross-section.
    Transparent sperm cells moving towards round red colored egg cell, illustration. — Stock Photo
    Transparent sperm cells moving towards round red colored egg cell, illustration.
    Giardia lamblia protozoan parasites, digital illustration — Stock Photo
    Giardia lamblia protozoan parasites, digital illustration
    Digital illustration of Acanthamoeba castellanii amoebas. — Stock Photo
    Digital illustration of Acanthamoeba castellanii amoebas.
    3d rendered illustration of purple nerve cell. — Stock Photo
    3d rendered illustration of purple nerve cell.
    Lotus flower surface — Stock Photo
    Lotus flower surface
    Toilet microbes in water closet, conceptual digital illustration. — Stock Photo
    Toilet microbes in water closet, conceptual digital illustration.
    Coloured scanning electron micrograph of cancer cell from human colon. — Stock Photo
    Coloured scanning electron micrograph of cancer cell from human colon.
    Illustration of yellow abscesses on kidney and close-up of Escherichia bacteria. — Stock Photo
    Illustration of yellow abscesses on kidney and close-up of Escherichia bacteria.
    Giardia lamblia flagellated protozoan parasite, digital illustration. — Stock Photo
    Giardia lamblia flagellated protozoan parasite, digital illustration.
    Microscopic colored view of a unipolar neuron — Stock Photo
    Microscopic colored view of a unipolar neuron
    Abstract green colored cancer cells on tissue, digital illustration. — Stock Photo
    Abstract green colored cancer cells on tissue, digital illustration.
    Toxic mould spores of Stachybotrys chartarum fungus, digital illustration. — Stock Photo
    Toxic mould spores of Stachybotrys chartarum fungus, digital illustration.