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    Activated blood cell fragments platelets, coloured scanning electron micrograph. — Stock Photo
    Activated blood cell fragments platelets, coloured scanning electron micrograph.
    T lymphocyte cells attached to cancer cell — Stock Photo
    T lymphocyte cells attached to cancer cell
    Traveller using self service check-in machine at airport — Stock Photo
    Traveller using self service check-in machine at airport
    Coloured scanning electron micrograph of surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    Tendon showing bundles of collagen fibres — Stock Photo
    Tendon showing bundles of collagen fibres
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Horse chestnut leaf. Coloured scanning electron micrograph (SEM) of the underside of a horse chestnut leaf (Aesculus hippocastanum) Numerous hairs (trichomes) cover the surface — Stock Photo
    Horse chestnut leaf. Coloured scanning electron micrograph (SEM) of the underside of a horse chestnut leaf (Aesculus hippocastanum) Numerous hairs (trichomes) cover the surface
    Surface of the foot of a common pollen beetle — Stock Photo
    Surface of the foot of a common pollen beetle
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Radiologist recording results of CT scanning. — Stock Photo
    Radiologist recording results of CT scanning.
    Nanoscale spikes formed on gold surface — Stock Photo
    Nanoscale spikes formed on gold surface
    Colored scanning electron micrograph of pollen grains from Nymphaeaceae water lily flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from Nymphaeaceae water lily flower.
    Activated platelets with canalicular system — Stock Photo
    Activated platelets with canalicular system
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Blade of grass with a serrated edge — Stock Photo
    Blade of grass with a serrated edge
    Trachea (wind pipe) lining, coloured scanning electron micrograph (SEM). — Stock Photo
    Trachea (wind pipe) lining, coloured scanning electron micrograph (SEM).
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Coloured scanning electron micrograph (SEM) of White bread surface. — Stock Photo
    Coloured scanning electron micrograph (SEM) of White bread surface.
    Close-up of female scanning the boarding pass with mobile phone — Stock Photo
    Close-up of female scanning the boarding pass with mobile phone
    Heart strings strings — Stock Photo
    Heart strings strings
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Close-up of female scanning the boarding pass with mobile phone — Stock Photo
    Close-up of female scanning the boarding pass with mobile phone
    Coloured scanning electron micrograph of bacteria cultured from mobile phone. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from mobile phone.
    Worker scanning boxes in warehouse — Stock Photo
    Worker scanning boxes in warehouse
    Colored scanning electron micrograph of nanostructures formed on nickel surface. — Stock Photo
    Colored scanning electron micrograph of nanostructures formed on nickel surface.
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum — Stock Photo
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Coloured scanning electron micrograph (SEM) of a section through fractured skeletal muscle to show large muscle bundles, or fascicles (green), surrounded by perimysium connective tissue (pink). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through fractured skeletal muscle to show large muscle bundles, or fascicles (green), surrounded by perimysium connective tissue (pink).
    Human cell infected with Simian Immunodeficiency Virus from sooty mangabey, colored scanning electron micrograph. — Stock Photo
    Human cell infected with Simian Immunodeficiency Virus from sooty mangabey, colored scanning electron micrograph.
    Plaque-forming bacteria, colored scanning electron micrograph. — Stock Photo
    Plaque-forming bacteria, colored scanning electron micrograph.
    Clothing shop owner scanning clothing doing inventory — Stock Photo
    Clothing shop owner scanning clothing doing inventory
    Close-up of scientist hand scanning tube with biological sample. — Stock Photo
    Close-up of scientist hand scanning tube with biological sample.
    Chicken eggshell cross section — Stock Photo
    Chicken eggshell cross section
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph. — Stock Photo
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph.
    Tendon, coloured scanning electron micrograph (SEM), showing bundles of collagen fibres. The parallel alignment of the fibres make tendons inelastic but flexible. Tendons attach muscle to bone — Stock Photo
    Tendon, coloured scanning electron micrograph (SEM), showing bundles of collagen fibres. The parallel alignment of the fibres make tendons inelastic but flexible. Tendons attach muscle to bone
    Patient entering mri scanning machine at hospital — Stock Photo
    Patient entering mri scanning machine at hospital
    Woman undergoing scan examination in skin clinic. — Stock Photo
    Woman undergoing scan examination in skin clinic.
    PC12 neurone in culture — Stock Photo
    PC12 neurone in culture
    Male sex cell — Stock Photo
    Male sex cell
    Mycobacterium smegmatis bacteria — Stock Photo
    Mycobacterium smegmatis bacteria
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Businesswoman interacting with airport staff with luggage kept on conveyor belt at airport terminal — Stock Photo
    Businesswoman interacting with airport staff with luggage kept on conveyor belt at airport terminal
    Male hand bar code scanning boxes — Stock Photo
    Male hand bar code scanning boxes
    Face of woman undergoing examination in skin clinic. — Stock Photo
    Face of woman undergoing examination in skin clinic.
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    Lining of the small intestine — Stock Photo
    Lining of the small intestine
    Female patient undergoing computed tomography diagnostics. — Stock Photo
    Female patient undergoing computed tomography diagnostics.
    Komodo dragon skin, coloured scanning electron micrograph (SEM). The Komodo dragon (Varanus komodoensis) has armoured scaly skin. It is the largest lizard in the world, reaching over three metres in length — Stock Photo
    Komodo dragon skin, coloured scanning electron micrograph (SEM). The Komodo dragon (Varanus komodoensis) has armoured scaly skin. It is the largest lizard in the world, reaching over three metres in length
    Radiographer taking computed tomography scan of female patient. — Stock Photo
    Radiographer taking computed tomography scan of female patient.
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph.
    Angel trumpets pollen grain — Stock Photo
    Angel trumpets pollen grain
    Schizosaccharomyces pombe yeast — Stock Photo
    Schizosaccharomyces pombe yeast
    Dividing prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Dividing prostate cancer cells, coloured scanning electron micrograph.
    Coloured scanning electron micrograph (SEM) of a sectioned artery containing red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a sectioned artery containing red blood cells (erythrocytes, red).
    Micrograph of house fly — Stock Photo
    Micrograph of house fly
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Portrait of smiling doctor standing in x-ray room at hospital — Stock Photo
    Portrait of smiling doctor standing in x-ray room at hospital
    Resting T lymphocytes. Coloured scanning electron micrograph (SEM) of resting T lymphocytes from a human blood sample. T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system — Stock Photo
    Resting T lymphocytes. Coloured scanning electron micrograph (SEM) of resting T lymphocytes from a human blood sample. T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system