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    Vaginal bacteria. Coloured scanning electron micrograph (SEM) of bacteria on the vaginal wall. A healthy vaginal flora protects the body against urogenital infections — Stock Photo
    Vaginal bacteria. Coloured scanning electron micrograph (SEM) of bacteria on the vaginal wall. A healthy vaginal flora protects the body against urogenital infections
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Fly head anatomy — Stock Photo
    Fly head anatomy
    Normal skull anatomy of young adult — Stock Photo
    Normal skull anatomy of young adult
    Wild mustard flower petal surface (Brassica kaber), coloured scanning electron micrograph (SEM). — Stock Photo
    Wild mustard flower petal surface (Brassica kaber), coloured scanning electron micrograph (SEM).
    Mucosa of the trachea — Stock Photo
    Mucosa of the trachea
    Roquefort cheese and digital illustration of fungus Penicillium roqueforti. — Stock Photo
    Roquefort cheese and digital illustration of fungus Penicillium roqueforti.
    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    Trendy homosexual man with long nails in ornamental shirt looking at camera while squatting on pavement against wall — Stock Photo
    Trendy homosexual man with long nails in ornamental shirt looking at camera while squatting on pavement against wall
    Parotid salivary gland — Stock Photo
    Parotid salivary gland
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Colored X-ray of section through thoracic spine of senior male patient with ankylosing spondylitis with severe degeneration of lower thoracic spine. — Stock Photo
    Colored X-ray of section through thoracic spine of senior male patient with ankylosing spondylitis with severe degeneration of lower thoracic spine.
    False Ocellaris Clownfish — Stock Photo
    False Ocellaris Clownfish
    Waterlily pollen (Nymphaea mexicana), coloured scanning electron micrograph (SEM). — Stock Photo
    Waterlily pollen (Nymphaea mexicana), coloured scanning electron micrograph (SEM).
    Coloured frontal (left) and oblique (right) X-rays of a foot of a diabetic, showing an amputated second toe. — Stock Photo
    Coloured frontal (left) and oblique (right) X-rays of a foot of a diabetic, showing an amputated second toe.
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells. — Stock Photo
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells.
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample. — Stock Photo
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample.
    Coloured frankincense. This aromatic resin is tapped from the Boswellia sacra tree. It is used in aromatherapy and is widely associated with religious ceremonies. — Stock Photo
    Coloured frankincense. This aromatic resin is tapped from the Boswellia sacra tree. It is used in aromatherapy and is widely associated with religious ceremonies.
    Hand of dentist holding set of dentures in dental clinic — Stock Photo
    Hand of dentist holding set of dentures in dental clinic
    Brain with aneurysm in the middle cerebral artery — Stock Photo
    Brain with aneurysm in the middle cerebral artery
    Coloured scanning electron micrograph of bacteria cultured from mobile phone. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from mobile phone.
    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Bundle of flowers (Dianthus sp), coloured X-ray. — Stock Photo
    Bundle of flowers (Dianthus sp), coloured X-ray.
    Hands of female dentist holding set of dentures in the clinic — Stock Photo
    Hands of female dentist holding set of dentures in the clinic
    Colored scanning electron micrograph of microstructures formed on nickel surface. — Stock Photo
    Colored scanning electron micrograph of microstructures formed on nickel surface.
    Closeup of a denture in a laboratory — Stock Photo
    Closeup of a denture in a laboratory
    Coloured scanning electron micrograph of bacteria from culture of breast milk. — Stock Photo
    Coloured scanning electron micrograph of bacteria from culture of breast milk.
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Colored scanning electron micrograph of lymphoma cell showing early apoptotic change. — Stock Photo
    Colored scanning electron micrograph of lymphoma cell showing early apoptotic change.
    Scorpion fly foot — Stock Photo
    Scorpion fly foot
    Silhouette with lungs pneumonia caused by measles virus, conceptual illustration. — Stock Photo
    Silhouette with lungs pneumonia caused by measles virus, conceptual illustration.
    Dividing prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Dividing prostate cancer cells, coloured scanning electron micrograph.
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli, commonly known as E coli. — Stock Photo
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli, commonly known as E coli.
    Portrait of female dentist holding set of dentures in the clinic — Stock Photo
    Portrait of female dentist holding set of dentures in the clinic
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Coloured X-ray of arthritic knees — Stock Photo
    Coloured X-ray of arthritic knees
    Blastocyst hollow ball of cells with fluid, digital illustration. — Stock Photo
    Blastocyst hollow ball of cells with fluid, digital illustration.
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Enterococcus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Enterococcus coccoid bacteria, colored scanning electron micrograph.
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM). — Stock Photo
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM).
    Yellow colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer. — Stock Photo
    Yellow colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer.
    Black colleagues examining denture in laboratory — Stock Photo
    Black colleagues examining denture in laboratory
    Young vain man in stylish wear with hat standing on tiled wall looking away — Stock Photo
    Young vain man in stylish wear with hat standing on tiled wall looking away
    Allergenic pet dander on dog hair, colored scanning electron micrograph. — Stock Photo
    Allergenic pet dander on dog hair, colored scanning electron micrograph.
    Human red blood cells — Stock Photo
    Human red blood cells
    Skeletal muscle fibres — Stock Photo
    Skeletal muscle fibres
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Pit formed on metal or semiconductor surface — Stock Photo
    Pit formed on metal or semiconductor surface
    Pollen grains of a common daisy — Stock Photo
    Pollen grains of a common daisy
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species — Stock Photo
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species
    Coho Salmon, also known as Silver Salmon (Oncorhynchus kisutch) in the act of spawning in an Alaskan stream during autumn; Alaska, United States of America — Stock Photo
    Coho Salmon, also known as Silver Salmon (Oncorhynchus kisutch) in the act of spawning in an Alaskan stream during autumn; Alaska, United States of America
    Closeup of a denture in a laboratory — Stock Photo
    Closeup of a denture in a laboratory
    Gram negative Calymmatobacterium sp. — Stock Photo
    Gram negative Calymmatobacterium sp.
    Cilia covering the epithelial lining of the nasopharyx — Stock Photo
    Cilia covering the epithelial lining of the nasopharyx
    Blade of grass with a serrated edge — Stock Photo
    Blade of grass with a serrated edge
    X-ray of large shoulder lipoma — Stock Photo
    X-ray of large shoulder lipoma
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats — Stock Photo
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats