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    Old church in English countryside — Stock Photo
    Old church in English countryside
    Old church in English countryside — Stock Photo
    Old church in English countryside
    Stunning unique infra red landscape — Stock Photo
    Stunning unique infra red landscape
    Stunning unique infra red landscape — Stock Photo
    Stunning unique infra red landscape
    Coloured coronary angiogram (X-ray) of a 59 year old patient with severe stenosis (narrowing) in the left anterior interventricular coronary artery (running down left) and the left circumflex artery (centre). — Stock Photo
    Coloured coronary angiogram (X-ray) of a 59 year old patient with severe stenosis (narrowing) in the left anterior interventricular coronary artery (running down left) and the left circumflex artery (centre).
    Dental plaque scanning electron micrograph — Stock Photo
    Dental plaque scanning electron micrograph
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Eyelash follicle, coloured scanning electron micrograph (SEM). — Stock Photo
    Eyelash follicle, coloured scanning electron micrograph (SEM).
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Blood clotting in an ovarian follicle — Stock Photo
    Blood clotting in an ovarian follicle
    Fat cells and supportive connective tissue — Stock Photo
    Fat cells and supportive connective tissue
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets. — Stock Photo
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets.
    Fly head anatomy — Stock Photo
    Fly head anatomy
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Eyelash follicle, coloured scanning electron micrograph (SEM). — Stock Photo
    Eyelash follicle, coloured scanning electron micrograph (SEM).
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Cape Pankof On Unimak Island — Stock Photo
    Cape Pankof On Unimak Island
    Influenza viruses budding from host cell — Stock Photo
    Influenza viruses budding from host cell
    Microvilli from the small intestine — Stock Photo
    Microvilli from the small intestine
    Thyroid gland showing the follicles — Stock Photo
    Thyroid gland showing the follicles
    Chicken eggs in carton and close-up of Staphylococcus bacteria on white background. — Stock Photo
    Chicken eggs in carton and close-up of Staphylococcus bacteria on white background.
    Vaccinia virus particle — Stock Photo
    Vaccinia virus particle
    Aerial view of amazing cityscape of Vancouver, British Columbia, Canada — Stock Photo
    Aerial view of amazing cityscape of Vancouver, British Columbia, Canada
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Chest, neck and head arteries — Stock Photo
    Chest, neck and head arteries
    Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans — Stock Photo
    Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    Breast cancer screening — Stock Photo
    Breast cancer screening
    Blood clot structure — Stock Photo
    Blood clot structure
    Breast cancer screening — Stock Photo
    Breast cancer screening
    Deformed sperm cell — Stock Photo
    Deformed sperm cell
    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
    Total hip replacement — Stock Photo
    Total hip replacement
    Varicella zoster virus particle — Stock Photo
    Varicella zoster virus particle
    Red blood cells — Stock Photo
    Red blood cells
    Coloured scanning electron micrograph of osteocyte bone cell surrounded by bone tissue. — Stock Photo
    Coloured scanning electron micrograph of osteocyte bone cell surrounded by bone tissue.
    Scanning electron micrograph of PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph of PC12 neurone in culture.
    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.
    Fractured arm, coloured X-ray. — Stock Photo
    Fractured arm, coloured X-ray.
    Collagen bundles from the delicate connective tissue — Stock Photo
    Collagen bundles from the delicate connective tissue
    Microvilli from the small intestine — Stock Photo
    Microvilli from the small intestine
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (yellow) — Stock Photo
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (yellow)
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    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.
    Influenza viruses and host cell — Stock Photo
    Influenza viruses and host cell
    Human hair shafts, digital illustration. — Stock Photo
    Human hair shafts, digital illustration.
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Coloured scanning electron micrograph (SEM) of the interior of bone from a bird skull. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the interior of bone from a bird skull.
    Red blood cells — Stock Photo
    Red blood cells
    Arthritic hand anatomy — Stock Photo
    Arthritic hand anatomy
    Fractured pancreas tissue — Stock Photo
    Fractured pancreas tissue
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    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
    Freeze-fractured lens of an eye — Stock Photo
    Freeze-fractured lens of an eye
    Mycobacterium smegmatis bacteria — Stock Photo
    Mycobacterium smegmatis bacteria